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1 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
2
3         PR middle-end/23991
4         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5         case, define as macros.
6
7         PR rtl-optimization/23837
8         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
9         clobber / clobber match between dest and p->first.
10
11         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
12         (no_conflict_move_test): Update comments.
13
14 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
15
16         * doc/install.texi: Update URL for Jacks.
17         * doc/sourcebuild.texi: Likewise.
18
19 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
20
21         PR target/24007
22         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
23         registers when choosing register preferences.
24         (movdf_hardfloat64): Same.
25
26 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
27
28         * expmed.c (expand_shift): Don't use the target of the rotate as
29         target for the first expanded shift insn.
30         * testsuite/gcc.dg/20050922-1.c: Testcase added.
31
32 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
33
34         PR tree-optimization/22438
35         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
36         preserved iv rhs rewriting specially.
37
38 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
39
40         * tree-data-ref.c (analyze_array_indexes): Only estimate when
41         estimate_only  is true.
42         * tree-flow.h (ref_contains_indirect_ref): New prototype.
43         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
44         tree-ssa-structalias.c 
45         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
46         ref_contains_indirect_ref.
47         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
48
49 2005-09-21  DJ Delorie  <dj@redhat.com>
50
51         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
52         MASK_PTR_A0D0.
53         (mn10300_return_in_memory): Support variable size types also.
54         (mn10300_pass_by_reference): Likewise.
55         (mn10300_function_value): New.
56         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
57         (FUNCTION_OUTGOING_VALUE): Likewise.
58         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
59         * doc/invoke.texi: Document it.
60
61 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
62
63         PR target/22585
64         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
65         force integer op1 into register for XFmode compares.
66
67 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
68
69         PR middle-end/23971
70         * expmed.c (alg_code): Add alg_impossible.
71         (alg_hash_entry): Add cost.
72         (synth_mult): Record alg_impossible in the hash table if
73         multiplication by a given integer is impossble within the
74         limit.  Speed up using alg_impossible.
75
76 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
77
78         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
79         argument.  Allow and set any offset if needs_anyoffset is passed
80         in.
81         (get_constraint_for): Add argument here too.
82         Pass it down.
83         (do_structure_copy): Pass NULL to get_constraint_for.
84         (handle_ptr_arith): Ditto.
85         (find_func_aliases): Ditto.
86
87 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
88
89         PR rtl-optimization/23898
90         * output.h (get_attr_min_length): Declare.
91         * final.c (get_attr_length_1): New function, broken out of:
92         (get_attr_length).
93         (get_attr_min_length): New function.
94         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
95         (duplicate_computed_gotos): Likewise.
96         * genattr.c (insn_min_length): Generate declaration.
97         * genattrtab.c (min_fn, min_attr_value): New functions.
98         (make_length_attrs): Generate insn_min_length.
99
100 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
101
102         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
103
104 2005-09-20  Richard Henderson  <rth@redhat.com>
105
106         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
107         EXPAND_STACK_PARM.
108
109 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
110
111         * c.opt (fextended-identifiers): New.
112         * c-opts.c (c_common_handle_option): Handle
113         -fextended-identifiers.
114         * doc/cpp.texi: Update documentation of extended identifiers.
115         * doc/cppopts.texi (-fextended-identifiers): Document.
116
117 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
118
119         PR tree-optimization/23929
120         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
121         if expr is NULL.
122
123         PR tree-optimization/23818
124         * tree-stdarg.c (execute_optimize_stdarg): Call
125         calculate_dominance_info.
126
127 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
128
129         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
130         (analyze_siv_subscript_cst_affine): Add weak SIV test.
131         (compute_overlap_steps_for_affine_1_2): Use
132         get_number_of_iters_for_loop.
133         (analyze_subscript_affine_affine): Check whether difference is
134         zero first.
135         Use get_number_of_iters_for_loop.
136         Check whether overlap occurs outside of bounds.
137         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
138
139 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
140
141         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
142         base register if possible.
143
144 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
145
146         PR tree-optimization/18463
147         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
148         converting it directly is not possible.
149         (chrec_convert_aggressive): New function.
150         * tree-chrec.h (chrec_convert_aggressive): Declare.
151         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
152         Fold chrec conversions aggressively if asked to.
153         (instantiate_parameters): Modified because of changes in
154         instantiate_parameters_1.
155
156 2005-09-19  Richard Henderson  <rth@redhat.com>
157
158         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
159         (reduc_splus_v2df): New.
160
161 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
162
163         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
164         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
165
166 2005-09-19  Richard Henderson  <rth@redhat.com>
167
168         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
169         vcondu<SSEMODE12>.
170
171 2005-09-19  Richard Henderson  <rth@redhat.com>
172
173         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
174         (ia64_expand_dot_prod_v8qi): New.
175         * config/ia64/ia64-protos.h: Update.
176         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
177         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
178         sdot_prodv8qi, sdot_prodv4hi): New.
179         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
180
181 2005-09-19  Richard Henderson  <rth@redhat.com>
182
183         PR 23941
184         * real.c (exact_real_truncate): Return false if the format cannot
185         represent the number as a normal.
186
187         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
188         for a memory source.
189
190 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
191
192         * tree-ssa-operands.c (swap_tree_operands): Export.
193         * tree.h (swap_tree_operands): Declare.
194         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
195         Call swap_tree_operands.
196         
197 2005-09-19  Richard Henderson  <rth@redhat.com>
198
199         * tree-flow.h (merge_alias_info): Declare.
200         * tree-ssa-copy.c (merge_alias_info): Export.
201         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
202         (vect_create_data_ref_ptr): Use create_iv directly.
203         (vectorizable_load): Use correct types for integer constants.
204         (vect_generate_tmps_on_preheader): Likewise.
205         (vect_gen_niters_for_prolog_loop): Likewise.
206
207 2005-09-19  Steven Bosscher  <stevenb@suse.de>
208
209         PR rtl-optimization/23943
210         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
211
212 2005-09-18  Jan Hubicka  <jh@suse.cz>
213
214         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
215
216 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
217
218         * varasm.c (output_constant): Do not abort on conversions to union
219         types between different sizes.
220
221 2005-09-18  Richard Guenther  <rguenther@suse.de>
222
223         PR middle-end/23944
224         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
225         fallback.
226
227 2005-09-18  Paul Brook  <paul@codesourcery.com>
228
229         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
230
231 2005-09-17  Richard Henderson  <rth@redhat.com>
232
233         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
234         * tree-ssa-loop.c (pass_vect_dce): Remove.
235         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
236         of pass_vectorize.
237
238 2005-09-17  Richard Henderson  <rth@redhat.com>
239
240         * tree-pass.h (pass_vect_dce): Declare.
241         * passes.c (init_optimization_passes): Add it.
242         * tree-flow.h (tree_ssa_dce): Declare.
243         * tree-ssa-dce.c (tree_ssa_dce): Export.
244         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
245         (gate_tree_vectorize): ... here.
246         (pass_vect_dce): New.
247
248 2005-09-17  Jan Hubicka  <jh@suse.cz>
249
250         * except.c (struct eh_status): Turn region_array into vec.
251         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
252         convert_from_eh_region_ranges, find_exception_handler_labels, 
253         current_function_has_exception_handlers, assign_filter_values, 
254         build_post_landing_pads, dw2_build_landing_pads,
255         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
256         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
257         foreach_reachable_handler, can_throw_internal_1,
258         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
259         region_array.
260         (duplicate_eh_region_1): Update region_array.
261         (duplicate_eh_regions): Resize region_array and avoid recomputing.
262
263 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
264
265         PR middle-end/22067
266         * expmed.c (expand_mult): Substitute simple register for op0 when
267         computing max_cost.
268
269 2005-09-17  Richard Henderson  <rth@redhat.com>
270
271         * expr.c (emit_move_via_integer): Add force argument, pass it on
272         to emit_move_change_mode.  Update callers.
273         (emit_move_complex): Pass true to new force argument.
274         * function.c (expand_function_end): Move expand_eh_return call
275         earlier.  Merge sub-word complex values into a pseudo before
276         copying to the return hard register.
277
278 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
279
280         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
281         between different sizes.
282
283 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
284
285         PR 23903
286
287         * passes.c (init_optimization_passes): Register dump files for
288         IPA passes first.
289
290 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
291
292         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
293         * config/s390/s390.c (s390_overlap_p): New function.
294         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
295         peephole2, "*xc" peephole2): Added overlap check to the peephole2
296         condition.
297
298 2005-09-16  Richard Guenther  <rguenther@suse.de>
299
300         * ipa-pure-const.c (static_execute): Free auxiliar information.
301         * ipa-type-escape.c (discover_unique_type): Free temporary key.
302         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
303
304 2005-09-15  DJ Delorie  <dj@redhat.com>
305
306         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
307
308 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
309
310         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
311         to order operands.
312         (swap_commutative_operands_with_target): New.
313
314 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
315
316         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
317         parameter.
318         Update callers.
319         (estimate_iters_using_array): New function.
320         * tree-data-ref.h (estimate_iters_using_array): Prototype
321         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
322         Use estimate_iters_using_array instead of analyze_array.
323         
324 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
325
326         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
327         as addressable.
328
329 2005-09-15  Michael Matz  <matz@suse.de>
330
331         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
332
333 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
334
335         PR tree-optimization/23835
336         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
337         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
338
339 2005-09-14  Richard Henderson  <rth@redhat.com>
340
341         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
342         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
343
344 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
345
346         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
347         in the ARRAY_TYPE case.
348
349 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
350
351         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
352
353 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
354
355         PR middle-end/22480
356         * tree-vect-transform.c (vectorizable_operation): Return false for
357         scalar shift operations and for vector shift operations with
358         non-invariant shift arguments.  Use scalar tree operand op1 as
359         a shift operand when vector shift insn pattern uses scalar shift
360         operand.
361         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
362
363 2005-09-14  Olivier Hainque  <hainque@adacore.com>
364
365         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
366         value if it has side-effects.
367
368 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
369
370         PR target/22068
371         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
372
373 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
374
375         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
376         passed as NAME as if it were label at start of function code.
377
378 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
379
380         * config/sh/sh.md (*movv4sf_i): Add general register cases to
381         the constraints.
382
383 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
384
385         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
386         as early clobber.  Rewrite so the PIC register is not implicitly used.
387
388 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
389
390         * tree.c (annotate_with_file_line): Compare line numbers before
391         file names.
392
393 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
394
395         PR target/23816
396         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
397         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
398
399 2005-09-13  Ian Lance Taylor  <ian@airs.com>
400
401         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
402         than a HOST_WIDEST_INT to gen_doloop_begin.
403
404 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
405
406         * tree-dfa.c (dump_variable): Guard against NULL annotations.
407
408 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
409
410         PR tree-optimize/23817
411         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
412
413 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
414
415         PR target/23774
416         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
417         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
418         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
419         (restore_stack_nonlocal): Likewise.
420         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
421
422 2005-09-12  Ian Lance Taylor  <ian@airs.com>
423
424         PR g++/7874
425         * c.opt (ffriend-injection): New C++ option.
426         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
427         (C++ Dialect Options): Document -ffriend-injection.
428
429 2005-09-12  Josh Conner  <jconner@apple.com>
430
431         PR middle-end/23237
432         * ipa-reference.c (static_execute): Don't mark variables in
433         named sections TREE_READONLY.
434
435 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
436
437         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
438         stack_tie.
439
440 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
441
442         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and 
443         V_MUST_DEF instead of just the first_use_p.
444         Don't mark the virtual variables for renaming on the statement which 
445         is being removed.
446         (pass_dse): Remove TODO_update_ssa.
447
448 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
449
450         PR middle-end/23290
451         * stor-layout.c (compute_record_mode): For records with a single
452         field, actually check the field's mode size against the type size.
453
454         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
455         registers for TARGET_SHMEDIA.
456         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
457         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
458         of GENERAL_REGS and FP_REGS.
459
460 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
461
462         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
463
464 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
465
466         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
467         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
468         are omitted.  Exclude stack_tie insn too.
469
470 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
471
472         PR rtl-optimization/23098
473         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
474         0.0f is easy.
475         * config/rs6000/rs6000.md (movdf splitter): Use
476         const_double_operand predicate for TARGET_POWERPC64.
477         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
478         SYMBOL_REF method to ABI_V4.
479
480         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
481         replace_equiv_address.
482         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
483         rs6000_sr_alias_set and MEM_NOTRAP.
484         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
485
486 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
487
488         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
489         handle CALL_EXPR again.
490
491 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
492
493         * arm/predicates.md (alignable_memory_operand): Delete.
494
495 2005-09-10  Richard Henderson  <rth@redhat.com>
496
497         PR debug/23806
498         * dbxout.c (dbxout_expand_expr): New.
499         (dbxout_symbol): Use it.
500
501 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
502
503         * arm.c (arm_gen_rotated_half_load): Delete.
504         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
505         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
506         (thumb_set_return_address): Likewise.
507         (thumb_load_double_from_address): Use adjust_address.
508         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
509         (extendhsisi2_mem, movhi_bytes): Use change_address.
510         (movhi): Use widen_memory_access.
511         (reload_out_df): Use replace_equiv_address.
512         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
513
514 2005-09-09  Richard Henderson  <rth@redhat.com>
515
516         PR debug/20998
517         * dbxout.c: Include expr.h.
518         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
519         (dbxout_symbol): Handle DECL_VALUE_EXPR.
520         * Makefile.in (dbxout.o): Add EXPR_H.
521
522 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
523
524         PR tree-optimization/23509
525         * tree-cfg.c (replace_uses_by): Use replace_exp.
526         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
527         pointers have name_mem_tag or type_mem_tag set.
528
529 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
530
531         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use 
532         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
533         of wrongly accessing operands.
534
535 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
536
537         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
538         * tree-chrec.c: Include tree-scalar-evolution.h.
539         (chrec_convert): Instantiate the base and step before calling
540         scev_probably_wraps_p that would fail on parametric evolutions.
541         Collect all the fails into a single section failed_to_convert,
542         print a diagnostic, and return chrec_dont_know instead of calling
543         fold_convert.
544         * tree-scalar-evolution.c (loop_closed_phi_def): New.
545         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
546         phi nodes.
547         (scev_const_prop): Don't replace the definition of a loop closed ssa
548         phi node by itself, or by another loop closed ssa phi node.
549         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
550         that base and step are defined.
551
552 2005-09-09  Richard Guenther  <rguenther@suse.de>
553
554         PR c++/23624
555         * fold-const.c (fold_ternary): Check truth_value_p before
556         calling invert_truthvalue.
557
558 2005-09-09  Nick Clifton  <nickc@redhat.com>
559
560         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
561         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
562         dimension of these arrays.
563         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
564         these arrays.
565         * longlong.h: Only provide a prototype for the __clz_tab[] array
566         if this header has not been included from libgcc2.h.
567         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
568         defining own types.
569         Provide prototypes for exported functions.
570         Use the __clz_tab[] and __popcount_tab[] arrays provided by
571         libgcc2.c.
572
573 2005-09-08  Josh Conner  <jconner@apple.com>
574
575         PR c++/21135
576         PR c++/23180
577         * expr.c (expand_expr_addr_expr_1): Don't invoke
578         expand_simple_binop for EXPAND_INITIALIZER.
579
580 2005-09-08  Richard Henderson  <rth@redhat.com>
581
582         PR debug/23190
583         * toplev.c (wrapup_global_declaration_1): Split out ...
584         (wrapup_global_declaration_2): ... from ...
585         (wrapup_global_declarations): ... here.  Return bool.
586         (check_global_declaration_1): Split out ...
587         (check_global_declarations): from here.
588         (emit_debug_global_declarations): New.
589         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
590         check_global_declaration_1, emit_debug_global_declarations): Declare.
591         * c-decl.c (c_write_global_declarations_1): Don't create a vector
592         of decls.  Call wrapup_global_declaration_1,
593         wrapup_global_declaration_2, check_global_declaration_1 directly.
594         (c_write_global_declarations_2): New.
595         (ext_block): New.
596         (c_write_global_declarations): Call c_write_global_declarations_2.
597         * langhooks.c (write_global_declarations): Call
598         emit_debug_global_declarations.
599
600         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
601         remove decls that have DECL_RTL_SET_P.
602         * passes.c (rest_of_decl_compilation): Invoke
603         cgraph_varpool_finalize_decl for all but functions.
604
605 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
606
607         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
608         the result of a conversion if the new min and max cannot be compared.
609
610 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
611
612         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
613         (override_options): Setting s390_sr_alias_set removed.
614         (save_fpr, save_gprs): Set alias set to vararg or frame.
615         (restore_fpr, restore_gprs, s390_emit_prologue): Replace 
616         s390_sr_alias_set with get_frame_alias_set ().
617         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
618         get_varargs_alias_set ().
619
620 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
621
622         PR objc/20574
623         PR objc/19324
624         * c-parser.c (c_parser_objc_method_definition): If the next
625         token is not "{", error out and don't start the function.
626
627 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
628
629         * tree-vrp.c (extract_range_from_expr): Move the check for non
630         nullness after the check for gimple invariant.
631
632 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
633
634         * tree.c (host_integerp, tree_low_cst): Correct function comment.
635
636 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
637
638         PR target/23747
639         * config/m32r.md (movmemsi_internal): Canonicalize order of
640         operands in PLUS component of template.
641
642 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
643
644         * reload1.c (fixup_eh_region_note): Remove assertion.
645         (fixup_abnormal_edges): Reverted removal of call to 
646         find_many_sub_basic_blocks made on 2005-08-31.
647
648 2005-09-07  Richard Henderson  <rth@redhat.com>
649
650         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
651         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
652         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
653         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
654         rearrange for better packing.
655         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
656         (lookup_cfa_1): Remove inline marker.
657         (cfa_equal_p): Split out of ...
658         (def_cfa_1): ... here.  Use INVALID_REGNUM.
659         (build_cfa_loc): Handle !cfa->indirect.
660         (frame_pointer_cfa_offset): New.
661         (dbx_reg_number): Assert register elimination performed; do
662         leaf register remapping.
663         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
664         (eliminate_reg_to_offset): New.
665         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
666         for verifiably local stack frame addresses; re-base to CFA.
667         (mem_loc_descriptor): Remove can_use_fbreg argument.
668         (concat_loc_descriptor, loc_descriptor): Likewise.
669         (containing_function_has_frame_base): Remove.
670         (rtl_for_decl_location): Don't do register elimination or
671         leaf register remapping here.
672         (secname_for_decl): Split out from ..
673         (add_location_or_const_value_attribute): ... here.
674         (convert_cfa_to_loc_list): New.
675         (compute_frame_pointer_to_cfa_displacement): New.
676         (gen_subprogram_die): Use them.
677         * tree.h (frame_base_decl): Remove.
678         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
679         (prologue_stack_adjust): Remove.
680         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
681         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
682         (set_frame_base_location): Remove.
683         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
684         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
685         (vt_add_function_parameters): Don't eliminate_regs.
686         (vt_initialize): Don't create frame_base_decl.
687
688 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
689
690         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
691         version of GNU binutils for 4.x and later.
692
693 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
694
695         * ggc-page.c (ggc_push_context): Remove.
696         (ggc_pop_context): Likewise.
697         * ggc.h (ggc_push_context): Remove.
698         (ggc_pop_context): Likewise.
699
700 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
701
702         PR target/8973
703         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
704         returning from an interrupt handler.
705
706 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
707
708         PR target/8972
709         * config/arc/arc.c (output_shift): Add check for loop count when
710         optimizing.
711
712 2005-09-06  Steven Bosscher  <stevenb@suse.de>
713
714         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
715         form manually.
716         (abs_replacement): Likewise.
717         (pass_phiopt): Remove TODO_update_ssa.
718
719 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
720
721         PR c/23075
722         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
723         if "return with no value, in function returning non-void" warning
724         has been issued.
725         * tree-cfg.c (execute_warn_function_return): Don't look at
726         RETURN_EXPRs with TREE_NO_WARNING set.
727
728         PR target/22362
729         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
730         for internal functions doesn't use registers used by global registers
731         variables.  Use fewer register parameters if there are global register
732         variables.
733
734 2005-09-06  Olivier Hainque  <hainque@adacore.com>
735             Eric Botcazou  <ebotcazou@adacore.com>
736
737         PR middle-end/14997
738         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
739         when we would be extracting outside its bit span (bitpos+bitsize
740         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
741         Ada unchecked conversions.
742
743 2005-09-06  Steven Bosscher  <stevenb@suse.de>
744
745         * tree-ssa-pre.c (try_look_through_load): New function.
746         (compute_avail): Use it to try to look through loads for some
747         more useful expressions.
748
749 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
750
751         * simplify-rtx.c (simplify_binary_operation_1): Correct the 
752         condition for detecting cases like (a&a) and (a^a).
753
754 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
755
756         * common.opt: Add option ftree-vect-loop-version.
757         * params.def: Add --param vect-max-version-checks.
758         * doc/invoke.texi: Document ftree-vect-loop-version and
759         --param vect-max-version-checks.
760         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
761         may_misalign_stmts and defines for accessors.
762         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
763         LOOP_VINFO_MAY_MISALIGN_STMTS.
764         (destroy_loop_vec_info): VEC_free for
765         LOOP_VINFO_MAY_MISALIGN_STMTS.
766         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
767         Update documentation.
768         (vect_update_misalignment_for_peel): New.
769         (vect_enhance_data_refs_alignment): Update to choose loop
770         peeling or loop versioning if appropriate for the (potentially)
771         unaligned data references in the loop.
772         (vect_analyze_data_refs_alignment): Remove call to
773         vect_enhance_data_refs_alignment so the checks can be done
774         earlier.
775         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
776         and move up call to vect_analyze_data_refs_alignment.
777         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
778         (vect_transform_loop): Add call to loop_version.
779
780 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
781
782         PR rtl-optimization/23098
783         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
784         * simplify-rtx.c (constant_pool_reference_p): New function.
785         * rtl.h (constant_pool_reference_p): New prototype.
786         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
787         constant_pool_reference_p in condition and
788         avoid_constant_pool_reference in preparation statements.
789
790 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
791
792         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for 
793         STRICT_LOW_PART SETs.
794
795 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
796
797         PR middle-end/21460
798         * except.c (sjlj_emit_function_enter): Find the function begin
799         note even when it's not in first basic block.
800
801 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
802
803         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
804         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
805         * aclocal.m4: Regenerate.
806
807 2005-09-05  DJ Delorie  <dj@redhat.com>
808
809         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
810         of macro.
811
812 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
813
814         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
815         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
816         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
817         Follow spelling conventions.
818         * doc/invoke.texi: Follow spelling conventions.
819
820 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
821
822         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
823         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
824         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
825
826 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
827
828         PR target/23683
829         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
830         (output_stack_adjust): Use gen_tmp_stack_mem.
831         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
832         (sh_set_return_address, sh_allocate_initial_value): Likewise.
833         (sh_get_pr_initial_val): Likewise.
834         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
835         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
836         * sh.md (divsi_inv_m0): Use gen_const_mem.
837         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
838         (movdf_i4+1): Use gen_tmp_stack_mem.
839         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
840         (fpu_switch+2): Likewise.
841         (movv4sf_i, movv16sf_i): Use adjust_address.
842         (symGOT_load): Set MEM_NOTRAP_P bit.
843
844 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
845
846         PR target/23721
847         * pa.c (emit_move_sequence): Fix typo in last change.
848
849 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
850
851         PR rtl-optimization/23454
852         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
853         is true.
854
855 2005-09-03  Richard Henderson  <rth@redhat.com>
856             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
857
858         PR middle-end/23671
859         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
860         gen_rtx_MEM.
861
862 2005-09-02  Nicolas Pitre <nico@cam.org>
863
864         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
865         to bit_count to 32 bits.
866
867 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
868
869         PR c++/23167
870         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
871         generating synthetic loads from volatile lvalues.
872
873 005-09-02  Nick Clifton  <nickc@redhat.com>
874
875         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
876         __ctzhi2, __clzhi2): New functions.
877
878 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
879
880         PR middle-end/23547
881         * tree-nested.c (struct var_map_elt): Mark with GTY.
882         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
883         var_map_elt.
884         (lookup_field_for_decl): Allocate new element in GC memory.
885         (lookup_tramp_for_decl): Likewise.
886         (convert_nl_goto_reference): Likewise
887         (create_nesting_tree): Allocate info in GC memory. Likewise for
888         info->var_map.
889         (free_nesting_tree): Free with ggc_free instead of free.
890         (root): New static variable.
891         (lower_nested_functions): Remove root as local variable.  And zero out
892         root at the end of the function.
893
894 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
895
896         PR rtl-optimization/20365
897         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
898         to short.  New member ix.
899         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
900         (simplify_plus_minus): Initialize ix members before calling qsort.
901
902 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
903
904         PR tree-optimization/23626
905         * tree-cfg.c (replace_uses_by): Clean up eh info.
906
907 2005-09-01  DJ Delorie  <dj@redhat.com>
908
909         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
910         fprintf.
911
912 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
913
914         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
915         (rs6000_split_multireg_move): Use replace_equiv_address instead of
916         gen_rtx_MEM.
917
918 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
919
920         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
921         do not issue warning for a variable definition following
922         a declaration.
923
924 2005-09-01  Richard Henderson  <rth@redhat.com>
925
926         PR 23668
927         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
928         conversion to CONST_VECTOR.
929
930 2005-09-01  Richard Henderson  <rth@redhat.com>
931
932         PR 23676
933         * reload1.c (reload_as_needed): Check !CALL_P before calling
934         fixup_eh_region_note.
935         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
936
937 2005-09-01  DJ Delorie  <dj@redhat.com>
938
939         * varasm.c (output_constant): Let the target resolve
940         conversions of addresses to non-default pointer sizes.
941
942 2005-09-01  Nicolas Pitre <nico@cam.org>
943
944         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
945         to alow matching ARM pre-indexed addressing mode.
946         (arm_override_options): Remove now irrelevant comment.
947
948 2005-09-01  Phil Edwards  <phil@codesourcery.com>
949
950         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
951         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
952         * config/i386/vxworks.h:  Likewise.
953         * config/i386/t-vxworksae:  New file, for VxWorks AE.
954         * config/i386/vxworksae.h:  Likewise.
955
956 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
957
958         PR tree-optimization/23410
959         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
960         sequence is not wrapping during the first step.
961
962 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
963
964         PR debug/7241
965         * dwarf2out.c (base_type_die): Compare char_type_node with
966         TYPE_MAIN_VARIANT (type), not type.
967
968 2005-09-01  Richard Guenther  <rguenther@suse.de>
969
970         PR tree-optimization/15366
971         * common.opt: Add -finline-functions-called-once.
972         Put -fearly-inlining in alphabetically ordered place.
973         * doc/invoke.texi: Document new option.
974         * ipa-inline.c (cgraph_decide_inlining): Honour
975         flag_inline_functions_called_once.
976
977 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
978
979         PR rtl-optimization/23478
980         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
981         (alloc_qty): Initialize it.
982         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
983         (combine_regs): Combine also n_throwing_calls_crossed fields.
984         (find_free_reg): Don't attempt to caller-save pseudos crossing
985         calls that might throw.
986         * global.c (struct allocno): Add throwing_calls_crossed field.
987         (global_alloc): Revert 2005-08-22 change.  Initialize
988         throwing_calls_crossed.
989         (find_reg): Don't attempt to caller-save pseudos crossing calls that
990         might throw.
991
992 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
993
994         PR target/23649
995         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
996         (mask64_operand): Reinstate code prior to 2005-06-11 change.
997         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
998         (and64_2_operand): Tweak to use predicate.
999         (and_operand): Adjust for mask_operand changes.
1000         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
1001         (print_operand): Likewise.
1002         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
1003         (mask64_1or2_operand): Delete.
1004         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
1005         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
1006         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
1007         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
1008         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
1009         (rotldi3_internal4): Likewise.
1010         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
1011         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
1012         (ashldi3_internal7): Likewise.
1013         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
1014         (ashldi3_internal, ashldi3_internal9 split): Likewise.
1015         (anddi3 split): Don't match mask64_operand.
1016         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
1017         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
1018         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
1019         't' splitter predicate.
1020         (movdi_internal64 + 2): Revert 2005-06-11 change.
1021
1022 2005-08-31  DJ Delorie  <dj@redhat.com>
1023
1024         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
1025         (m32c_asm_integer): Add support for 32 bit pointers.
1026
1027 2005-08-31  Richard Henderson  <rth@redhat.com>
1028
1029         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
1030         component-like references for setting MEM_NOTRAP_P.
1031
1032         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
1033         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
1034
1035 2005-08-31  Richard Henderson  <rth@redhat.com>
1036
1037         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
1038         into a pseudo before applying gen_lowpart.
1039
1040 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
1041
1042         * doc/install.texi (Specific): Update cctools version required
1043         for full functionality.
1044         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
1045         linkers as -macosx_version_min.
1046
1047 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
1048
1049         PR target/21255
1050         * sh.c (print_operand, %R and %S): Add handling of floating point
1051         registers, memory, constants and invalid operands.
1052
1053 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
1054
1055         * ipa-pure-const.c: Change dump name.
1056
1057 2005-08-31 Uros Bizjak <uros@kss-loka.si>
1058
1059         PR target/23570
1060         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
1061         to "reg_or_0_operand".
1062         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
1063
1064 2005-08-31  Dale Johannesen  <dalej@apple.com>
1065
1066         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
1067         loops that count down.
1068
1069 2005-08-31  Richard Henderson  <rth@redhat.com>
1070
1071         PR rtl-opt/23601
1072         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
1073         (fixup_eh_region_note): New.
1074         (reload_as_needed): Call it.
1075         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
1076         don't call find_many_sub_basic_blocks; call verify_flow_info.
1077         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
1078         (keep_stack_depressed): Likewise.
1079         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
1080
1081 2005-08-31  Richard Henderson  <rth@redhat.com>
1082
1083         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
1084         fp return matching.
1085
1086 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
1087
1088         * expr.c (expand_expr_real_1): Compare size of address 
1089         mode to target's address mode size in deciding expansion of 
1090         the constant address.
1091
1092 2005-08-31  Richard Guenther  <rguenther@suse.de>
1093
1094         PR middle-end/23477
1095         * expr.c (all_zeros_p): New function.
1096         (expand_expr_real_1): Handle the case of an all-zero
1097         non-addressable constructor separately.
1098
1099 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
1100
1101         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
1102         arguments, adjust all callers.
1103         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
1104
1105 2005-08-30  Richard Henderson  <rth@redhat.com>
1106
1107         PR target/23630
1108         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
1109         whenever the mode sizes match.
1110
1111 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
1112
1113         * calls.c (load_register_parameters): Fix comment typo.
1114         * expr.c (emit_push_insn): Comment formatting.
1115
1116 2005-08-30  Ian Lance Taylor  <ian@airs.com>
1117
1118         * config/i386/x-cygwin (host-cygwin): Change dependency from
1119         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
1120
1121 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
1122
1123         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
1124         parts of 'vals'.
1125
1126 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
1127
1128         PR middle-end/23408
1129         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
1130         call to ggc_collect.
1131
1132 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
1133
1134         PR bootstrap/21268
1135         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
1136         beginning.  Remove $(INCLUDES) from all the rules, if following
1137         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
1138
1139 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
1140
1141         PR middle-end/23484
1142         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
1143         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
1144         not constant, but maxlen is, don't set len to maxlen, rather
1145         set maxlen to len if len is a constant.
1146
1147 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
1148
1149         PR tree-optimization/23475
1150         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
1151         and counts.
1152
1153 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
1154
1155         Fix PR middle-end/22455
1156
1157         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
1158         Checksum only the parts of the tree that exist for the tree code.
1159
1160 2005-08-28  Dale Johannesen  <dalej@apple.com>
1161
1162         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
1163
1164 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
1165
1166         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
1167
1168 2005-08-28  Richard Henderson  <rth@redhat.com>
1169
1170         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
1171         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
1172         of char_type_node.
1173
1174 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
1175
1176         PR ada/23593
1177         * builtins.c (get_memory_rtx): Don't strip nops
1178         in between COMPONENT_REFs.
1179
1180 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
1181
1182         PR middle-end/23463
1183         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
1184         types.
1185         (gimplify_modify_expr): Check for zero sized types and gimplify the
1186         rhs and lhs as statements.
1187
1188 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
1189
1190         PR libgcj/23508
1191         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
1192         state for return address column of signal frames.
1193
1194 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
1195
1196         PR target/23539
1197         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
1198         bytes >= 2 not bytes == 2.
1199         (expand_block_move): Same.
1200
1201 2005-08-27  Richard Guenther  <rguenther@suse.de>
1202
1203         PR target/23575
1204         * config/i386/sse.md (sse2_movsd): Add missing closing
1205         braces.
1206
1207 2005-08-27  Paul Brook  <paul@codesourcery.com>
1208
1209         * genrecog.c (enum decision_type): Add DT_num_insns.
1210         (struct decision_test): Add u.num_insns.
1211         (add_to_sequence): Add DT_num_insns test.
1212         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
1213         (write_cond, debug_decision_2): Ditto.
1214         (change_state): Assume peep2_next_insn never fails.
1215         Remove "afterward" argument.
1216         (write afterward, write_tree): Update to match.
1217         * recog.c (peep2_current_count): New variable.
1218         (peep2_next_insn): Check it.
1219         (peephole2_optimize): Set peep2_current_count.
1220         * recog.h (peep2_current_count): Declare.
1221
1222 2005-08-26  Josh Conner  <jconner@apple.com>
1223
1224         PR middle-end/23584
1225         * ipa-pure-const.c (check_tree): Check for volatile-ness
1226         when considering a dereference.
1227
1228 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
1229
1230         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
1231
1232 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
1233
1234         PR rtl-optimization/23561
1235         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
1236         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
1237         at most LEN bytes long memory fits into the field.
1238         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
1239         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
1240         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
1241
1242 2005-08-26  Richard Henderson  <rth@redhat.com>
1243
1244         PR rtl-opt/23560
1245         * loop.c (biased_biv_may_wrap_p): New.
1246         (maybe_eliminate_biv_1): Use it to suppress non-equality
1247         comparison transformations.  Delete disabled code.
1248
1249 2005-08-26  Ian Lance Taylor  <ian@airs.com>
1250
1251         * combine.c (make_extraction): Avoid reference outside object.
1252
1253 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
1254
1255         * stor-layout.c (finalize_type_size): Restore behaviour for
1256         non-aggregate types to the status quo ante of the patch for
1257         pr 23467.  Document why it matters.
1258
1259 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
1260
1261         PR c/23506
1262         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
1263         array by one element, initialize the BT_LAST element with NULL.
1264
1265 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
1266
1267         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
1268         optimizing for size.
1269         (plus_eqsi): Same.
1270         (compare_plus_eqsi): Same.
1271         (plus_eqsi_compare): Same.
1272         (neg_eq0<mode>): Same.
1273         (neg_eq<mode>): Same.
1274
1275         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
1276         PROCESSOR_POWER4.
1277
1278 2005-08-26  Nick Clifton  <nickc@redhat.com>
1279
1280         * config/v850/v850.c (ep_memory_operand): Return FALSE if
1281         TARGET_EP is not defined.
1282         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
1283         TARGET_EP is enabled.
1284         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
1285         * config/v850/v850.md (save_all_interrupt): Only use the EP
1286         register if TARGET_EP is defined.
1287         (restore_all_interrupt): Likewise.
1288         * config/v850/lib1funcs.asm: Update functions so that the EP
1289         register is only used if __EP__ is defined.
1290
1291 2005-08-26  David Ung  <davidu@mips.com>
1292
1293         * config/mips/mips.c (mips_expand_prologue): Handle case when
1294         generating for MIPS16 and the outgoing argument area is more than
1295         SMALL_OPERAND. Use the frame pointer as temporary to generate the
1296         add instruction.
1297
1298 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
1299
1300         * config/crx/crx.md: Make doloop_end pattern usage controllable
1301         via mloop-nesting=<max-nesting> command line switch. Make sure
1302         the combiner cannot use doloop_end_<mode> in an illegal way.
1303         * config/crx/crx.c: Use regs up to r6 for argument passing.
1304         Refine crx_address_cost (non cst4 displacements are expensive).
1305         * config/crx/crx.opt: Add switch for mloop-nesting=.
1306
1307 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
1308
1309         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
1310         (UNSPEC_MVST): New constant.
1311
1312 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
1313
1314         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
1315         Reject operands containing eliminable registers.
1316         * testsuite/gcc.dg/20050825-1.c: New testcase.
1317
1318 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1319             Jan Hubicka  <jh@suse.cz>
1320
1321         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
1322
1323 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1324
1325         PR tree-optimization/23546
1326         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
1327         and REAL_CST nodes.
1328
1329 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
1330
1331         * params.def (PARAM_MIN_SPEC_PROB): New.
1332         * sched-rgn.c (MIN_PROBABILITY): Delete.
1333         (compute_trg_info): Convert to PARAM_VALUE.
1334         * doc/invoke.texi (param): Document min-spec-prob.
1335
1336 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
1337
1338         * config/darwin.h: define __PIC__
1339         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
1340         TARGET_OS_CPP_BUILTINS macro.
1341
1342 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1343
1344         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
1345         yesterday.
1346
1347 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
1348
1349         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
1350         to duplicate_block.
1351         * cfghooks.c (duplicate_block): Added position where to place
1352         new block as argument.
1353         * cfghooks.h (duplicate_block): Declaration changed.
1354         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
1355         duplicate_block.
1356         * cfglayout.h (copy_bbs): Declaration changed.
1357         * cfgloop.h (loop_version): Declaration changed.
1358         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
1359         position to copy_bbs.
1360         (loop_version): Pass position to duplicate_loop_to_header_edge.
1361         Add place_after argument and position new blocks according to
1362         it.
1363         * modulo-sched.c (sms_schedule): Pass place_after argument
1364         to loop_version.
1365         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
1366         * tree-cfg.c (split_edge_bb_loc): New function.
1367         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
1368         to determine position of new blocks.
1369         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
1370         to loop_version.
1371         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
1372         argument to duplicate_block.
1373         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
1374         Pass position to copy_bbs.
1375
1376 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
1377
1378         * fold-const.c (ptr_difference_const): Use
1379         cst_and_fits_in_hwi instead of host_integerp.
1380
1381 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1382
1383         * config/darwin.c (gen_pic_offset): New.
1384         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
1385         Use it.
1386
1387 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
1388
1389         PR tree-optimization/23486
1390         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
1391
1392 2005-08-23  Phil Edwards  <phil@codesourcery.com>
1393
1394         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
1395         remove use_collect2.
1396         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
1397
1398         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
1399         configuration files to override the default value.
1400
1401         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
1402         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
1403         * config/vx-common.h:  New file, split out from...
1404         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
1405         * config/vxworksae.h:  New file, for VxWorks AE.
1406         * config/vxworks.opt:  New file.
1407         * config/vxlib.c:  Update for VxWorks 6.
1408
1409         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
1410         other MULTILIB_* variables appropriately.
1411         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
1412         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
1413         * config/rs6000/vxworks.h:  Update for VxWorks 6.
1414         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
1415
1416 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
1417
1418         PR target/20799
1419         * config/darwin.c (machopic_select_section): Remove the hack to
1420         mark "::operator new" and "::operator delete" for coalescing
1421         even though they are not weak.
1422
1423 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
1424
1425         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
1426         * configure: Regenerate.
1427
1428 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
1429
1430         PR middle-end/23517
1431         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
1432         between vectors.
1433         * convert.c (convert_to_integer, convert_to_vector): Likewise.
1434         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
1435         Likewise.
1436
1437 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
1438
1439         * config/rs6000/predicates.md (equality_operator): New.
1440         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
1441         comparison with a large constant.
1442
1443 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
1444
1445         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
1446
1447 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
1448
1449         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
1450         registers is even, and we have a hardware double precision fp,
1451         align the buffer.
1452         (sh_gimplify_va_arg_expr): For floating point arguments, consider
1453         size of current argument when checking if argument was passed in
1454         registers.
1455
1456         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
1457
1458         PR middle-end/23467
1459         * stor-layout.c (finalize_type_size): Dont override
1460         existing alignment with a smaller alignment from the mode.
1461
1462 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
1463
1464         * lambda-code.c (lambda_vector_lexico_pos): Moved...
1465         * lambda.h (lambda_vector_lexico_pos): ... here.
1466         * tree-data-ref.c (build_classic_dist_vector): Return false when
1467         the distance vector is lexicographically negative.
1468
1469 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
1470
1471         PR tree-optimization/23511
1472         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't 
1473         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
1474
1475 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
1476
1477         PR tree-optimization/22043
1478         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
1479         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
1480         If ALLOW_FLEXARR, handle types ending with flexible array member.
1481         Pass false as second argument to recursive count_type_elements calls.
1482         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
1483         argument to count_type_elements call.
1484         * tree-sra.c (decide_block_copy): Likewise.
1485         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
1486         for a constant-sized object, set cleared as well.  Pass true as
1487         second argument to count_type_elements call.
1488
1489 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
1490
1491         PR target/21571
1492         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
1493         from legitimate_small_data_p, and make global.  Update use.
1494         Remove forward declaration.
1495         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
1496         Declare.
1497         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
1498
1499 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
1500
1501         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
1502         of scratch intermediates.
1503         (eq<mode>_compare): Same.
1504         (neg_eq0<mode>): New.
1505         (neg_eq<mode>): Convert to define_insn_and_split.
1506
1507 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
1508
1509         PR target/23070
1510         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
1511         stdarg functions, set/clear the fp marker even when no variable
1512         args are passed.
1513         * config/rs6000/sysv4.opt (mprototype): Describe.
1514
1515 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
1516
1517         PR rtl-optimization/23478
1518         * regs.h (reg_info): Add throw_calls_crossed.
1519         (REG_N_THROWING_CALLS_CROSSED): Define.
1520         * flow.c (allocate_reg_life_data): Initialize
1521         REG_N_THROWING_CALLS_CROSSED.
1522         (propagate_one_insn, attempt_auto_inc): Update
1523         REG_N_THROWING_CALLS_CROSSED.
1524         * global.c (global_alloc): Don't allocate pseudos across
1525         calls that may throw.
1526
1527 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
1528
1529         PR c/18715
1530         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
1531         value is inbetween the range if we did not find an exact match.
1532
1533 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
1534
1535         * doc/invoke.texi (Option Summary): Add ms1 options.
1536         * doc/extend.texi: Document interrupt handler attribute for ms1.
1537         * doc/md.texi: Document ms1 constraints.
1538         * config.gcc: Add ms1-*-elf.
1539         * config/ms1/ms1.h: New.
1540         * config/ms1/ms1.c: New.
1541         * config/ms1/ms1.md: New.
1542         * config/ms1/ms1-protos.h: New.
1543         * config/ms1/ABI.txt: New.
1544         * config/ms1/crti.asm: New.
1545         * config/ms1/crtn.asm: New.
1546         * config/ms1/lib2extra-funcs.c: New.
1547         * config/ms1/t-ms1: New.
1548         * config/ms1/ms1.opt: New.
1549
1550 2005-08-22 Ira Rosen <irar@il.ibm.com>
1551
1552         * config/rs6000/altivec.md (xorv4sf3): New.
1553         (negv4sf2, neg<mode>2): Likewise.
1554
1555 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
1556
1557         PR target/23485
1558         * config/ia64/ia64.md (divsi3): Check divide by zero.
1559         (udivsi3): Likewise.
1560         (divdi3): Likewise.
1561         (udivdi3): Likewise.
1562
1563 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
1564
1565         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
1566         up to elem_bitsize bits, not max_bitsize.
1567
1568 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
1569
1570         PR tree-optimization/23433
1571         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
1572         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
1573
1574 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
1575
1576         PR tree-optimization/23434
1577         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
1578         the iteration bound is not an INTEGER_CST.
1579
1580 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
1581
1582         * tree-vect-transform.c (get_initial_def_for_reduction): Set
1583         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
1584         NULL if need_epilog_adjust is false.
1585         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
1586         Case 3 always peels first itration, not just for PLUS case, and no need
1587         to use scalar_initial_def here. Create an epilog adjustment only if
1588         scalar_initial_def is not NULL.
1589
1590         (vectorizable_reduction): Remove assert. 
1591
1592 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
1593
1594         PR target/23485
1595         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
1596         (__moddi3): Likewise.
1597         (__udivdi3): Likewise.
1598         (__umoddi3): Likewise.
1599         (__divsi3): Likewise.
1600         (__modsi3): Likewise.
1601         (__udivsi3): Likewise.
1602         (__umodsi3): Likewise.
1603
1604 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
1605
1606         * tree-pass.h (TDF_GRAPH): Define.
1607         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
1608         * passes.c (finish_optimization_passes): Only call
1609         finish_graph_dump_file if TDF_GRAPH is set.
1610         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
1611         NULL.  Set TDF_GRAPH bit.
1612         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
1613
1614 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
1615
1616         * arm.h (arm_stack_offsets): Add locals_base field.
1617         * arm.c (arm_get_frame_offsets): Compute it.
1618         (thumb_compute_initial_elimination offset): Make the Thumb frame
1619         pointer point to the base of the local variables.
1620         (thumb_expand_prologue): Update accordingly.
1621         (thumb_expand_epilogue): Likewise.
1622
1623         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
1624         mode of clobbered scratch to DImode.  Handle a case that's known to
1625         need this.
1626
1627 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
1628
1629         * config/rs6000/rs6000.md (gt0<mode>): Delete.
1630         (gt0<mode>_compare): Delete.
1631         (neg_gt0<mode>): Delete.
1632
1633 2005-08-19  Eric Christopher  <echristo@apple.com>
1634
1635         * optabs.h: Change CTI_ to COI_.
1636         * optabs.c: Ditto.
1637
1638 2005-08-19  James E Wilson  <wilson@specifix.com>
1639
1640         * builtins.c (expand_builtin_return_addr): Set
1641         current_function_accesses_prior_frames when count != 0.  Use
1642         frame_pointer_rtx when count == 0.
1643         * function.h (struct function): Add accesses_prior_frames field.
1644         (current_function_accesses_prior_frames): Define.
1645         * reload1.c (init_elim_table): Check
1646         current_function_accesses_prior_frames.
1647         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
1648
1649 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1650
1651         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
1652         indicator.  Return true if the flowgraph changed during
1653         cleanup.
1654
1655 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1656
1657         PR 23476
1658         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
1659         conditional expression before testing its value.
1660
1661 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1662
1663         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
1664
1665 2005-08-19  Devang Patel  <dpatel@apple.com>
1666
1667         PR tree-optimization/23048
1668         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
1669         third parameter. Check whether latch is dominated by exit
1670         block or not.
1671         (if_convertible_loop_p): Supply exit block itself to
1672         if_convertible_bb_p.
1673
1674 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
1675
1676         PR target/23473
1677         * arm.md (arm_load_pic_register): Change argument to the mask of
1678         saved registers.  Call thumb_find_work_register if we need a
1679         scratch register on Thumb.
1680         (arm_expand_prologue): Pass empty register set to
1681         arm_load_pic_register.
1682         (thumb_expand_prologue): Pass live_regs_mask directly to
1683         arm_load_pic_register.
1684         * arm-protos.h (arm_load_pic_register): Update prototype.
1685
1686 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
1687
1688         * sh.c (find_sole_member): New function.
1689         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
1690         if the record's alignment is larger than the size of its only member.
1691
1692 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
1693
1694         PR target/23436
1695         * arm.c (thumb_legitimize_reload_address): New function.
1696         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
1697         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
1698
1699 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
1700
1701         * config/crx/crx.c: Implement crx_decompose_address. Reject
1702         symbolic displacements since CRX register relative adressing
1703         mode can't handle unsigned 32-bit values as displacements.
1704         * config/crx/crx.h: Simplify definitions, remove redundant
1705         parenthesis and obsolete macros.
1706         * config/crx/crx.opt: Add new switch for debugging addresses.
1707         * config/crx/crx-protos.h: Add new declarations for above.
1708
1709 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
1710
1711         PR middle-end/20624
1712         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
1713         looking past it.
1714
1715 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1716
1717         * collect2.c (dup2): Delete.
1718         * configure.ac: Don't check for dup2.
1719
1720         * config.in, configure: Regenerate.
1721
1722 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
1723
1724         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
1725         record with the type of its only member.
1726
1727 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
1728
1729         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
1730         define_insn_and_split.
1731         (plus_ltu<mode>_compare): Same.
1732         (gtu<mode>_compare): Same.
1733         (plus_gtu<mode>_compare): Same.
1734
1735 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
1736
1737         PR tree-optimization/22228
1738         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
1739         todo_flags_start.
1740         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
1741         are recorded in vect_vnames_to_rename for renaming.
1742         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
1743         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
1744         in vect_vnames_to_rename.
1745         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
1746         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
1747
1748 2005-08-18  Jan Hubicka  <jh@suse.cz>
1749
1750         PR c++/22034
1751         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
1752         info only for local statics, not for member variables.
1753
1754 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1755
1756         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
1757
1758 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1759
1760         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
1761
1762 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
1763
1764         PR middle-end/16045
1765         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
1766
1767 2005-08-17  James E Wilson  <wilson@specifix.com>
1768
1769         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1770         array size check.
1771
1772 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
1773
1774         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
1775         (leu<mode>_compare): Same.
1776         (plus_leu<mode>): Same.
1777         (neg_leu<mode>): Same.
1778         (and_neg_leu<mode): Same.
1779         (ltu<mode>_compare): Same.
1780         (plus_ltu<mode>): Same.
1781         (geu<mode>): Same.
1782         (geu<mode>_compare): Same.
1783         (plus_geu<mode>): Same.
1784         (neg_geu<mode>): Same.
1785         (and_neg_geu<mode>): Same.
1786         (plus_gt<mode>): Same.
1787         (gtu<mode>_compare): Same.
1788         (plus_gtu<mode>): Same.
1789
1790 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
1791
1792         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
1793         Move call_table_data to end.  Delete spurious .text.
1794         (callt_save_all_interrupt): Fix comment typo.
1795
1796 2005-08-17  James E Wilson  <wilson@specifix.com>
1797             Kevin Winchester  <winchester@amirix.com>
1798
1799         PR target/21684
1800         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
1801
1802 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
1803
1804         PR target/23268
1805         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
1806         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
1807
1808 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
1809
1810         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
1811         record with the type of its only member if the modes don't match.
1812
1813         * varasm.c (decode_reg_name): Skip empty additional register names.
1814
1815 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
1816
1817         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
1818         lsm_tmp_name_length): New.
1819         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
1820         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
1821
1822 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1823             Andreas Krebbel  <krebbel1@de.ibm.com>
1824
1825         * config.gcc: Added z9-109 switch.
1826         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
1827         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
1828         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
1829         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
1830         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
1831         for "z9_109" cpu attribute.
1832         * config/s390/s390.c (z9_109_cost): New processor cost structure.
1833         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
1834         (s390_handle_arch_option): Added z9-109 switch.
1835         (override_options): Set respective cost function for z9-109.
1836         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
1837         (legitimate_reload_constant_p): Accept extended immediates.
1838         (print_operand): Three new output modifiers added: k, m and o.
1839         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
1840         (s390_output_mi_thunk): Use extended immediate when possible.
1841         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
1842         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
1843         (CONSTRAINT_LEN): Added length of O constraint.
1844         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
1845         * config/s390/s390.md ("cpu"): New value z9_109 added.
1846         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
1847         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
1848         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
1849         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
1850         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
1851         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
1852         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
1853         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
1854         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
1855         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1856         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
1857         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
1858         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
1859         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
1860         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
1861         immediates.
1862         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
1863         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
1864         insns for TARGET_EXTIMM.
1865
1866 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
1867
1868         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
1869
1870 2005-08-17  Nick Clifton  <nickc@redhat.com>
1871
1872         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
1873         Call default_encode_section_info.
1874
1875 2005-08-17  Steven Bosscher  <stevenb@suse.de>
1876
1877         PR tree-optimization/21574
1878         * tree-ssa-ccp.c (likely_value): If the right hand side is a
1879         constant, return CONSTANT.
1880         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
1881         (ccp_fold, visit_assignment): Likewise.
1882         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
1883
1884 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
1885
1886         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
1887         fold_buildN instead of buildN then fold_initializer or fold.
1888         (build_unary_op): Likewise.
1889         (build_binary_op): Likewise.
1890         * fold-const.c (fold_initializer): Remove.
1891         (fold_build1_initializer): New function.
1892         (fold_build2_initializer): New function.
1893         (fold_build3_initializer): New function.
1894         * tree.h (fold_initializer): Remove.
1895         (fold_build1_initializer): New function.
1896         (fold_build2_initializer): New function.
1897         (fold_build3_initializer): New function.
1898
1899 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
1900
1901         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
1902         (try_move_mult_to_index): Call fold_build2 instead of build2.
1903         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
1904         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
1905         fold_binary_to_constant.
1906         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
1907         fold (build.
1908         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
1909         check if A == gcd (A, B).  Remove TYPE argument.
1910         (analyze_offset) Use fold_build2 instead of fold (build.
1911         (create_data_ref): Likewise.
1912         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
1913         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
1914         then fold.
1915
1916 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
1917
1918         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
1919         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
1920
1921 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
1922
1923         PR tree-opt/23402
1924         * gimplify.c (zero_sized_type): New function.
1925         (gimplify_modify_expr_rhs): If we have a zero sized type,
1926         replace the statement with an empty statement.
1927
1928 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
1929
1930         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
1931         fxsave.
1932
1933 2005-08-16  Ian Lance Taylor  <ian@airs.com>
1934
1935         * doc/tm.texi (Label Output): Correct typo.
1936
1937 2005-08-16  Steven Bosscher  <stevenb@suse.de>
1938
1939         PR target/23376
1940         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
1941         force_operand will work later on using have_insn_for.
1942
1943 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1944
1945         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
1946
1947 2005-08-16  Ian Lance Taylor  <ian@airs.com>
1948
1949         PR c++/23337
1950         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
1951         vector type, don't try to construct it element by element.  Add an
1952         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
1953
1954 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1955
1956         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
1957
1958 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
1959
1960         * doc/invoke.texi (Precompiled Headers): Document some more options
1961         which are known to be safe.
1962
1963 2005-08-16  James E Wilson  <wilson@specifix.com>
1964
1965         PR tree-optimization/21105
1966         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1967         TREE_OVERFLOW check.
1968
1969 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
1970
1971         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
1972         (neg_ltu<mode>): Same.
1973         (gtu<mode>): Same.
1974         (neg_gtu<mode>): Same.
1975
1976 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1977
1978         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
1979         (fold_builtin_isdigit): Use fold_buildN.
1980         (build_function_call_expr): Likewise.
1981         * c-typeck.c (c_finish_loop): Likewise.
1982
1983 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
1984             Richard Shann <rshann@superh.com>
1985
1986         PR middle-end/20396:
1987         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
1988
1989 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
1990
1991         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
1992
1993 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
1994
1995         PR target/23355
1996         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
1997         arm_compure_save_reg0_reg12_mask to determine when the PIC register
1998         must be saved.
1999
2000 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2001
2002         PR middle-end/23369
2003         * fold-const.c (build_range_check): Disable optimization for function
2004         pointer expressions on targets that require function pointer
2005         canonicalization.
2006
2007 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
2008
2009         * simplify-rtx.c (simplify_const_relational_operation): When
2010         extracting arguments of a COMPARE, recompute the mode as well.
2011
2012 2005-08-15  Ian Lance Taylor  <ian@airs.com>
2013
2014         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
2015
2016 2005-08-15  DJ Delorie  <dj@redhat.com>
2017
2018         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
2019         the stack.
2020         (movsi_splittable): Allow, but split, moves to the stack.
2021         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
2022         stack.
2023
2024 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2025
2026         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
2027         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
2028         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
2029
2030         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
2031         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
2032         Delete HOST_PTR_PRINTF.
2033
2034         * configure, config.in: Regenerate.
2035
2036 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
2037
2038         * config/rs6000/rs6000.md (QHSI): New mode macro.
2039         (wd): Extend mode attr for QImode and HImode
2040         (dbits): New mode attr.
2041         (zero_extend<mode>di2): Convert to mode macro.
2042
2043 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
2044
2045         PR target/21841
2046         * doc/invoke.texi (-mgnu-ld): Update description.
2047         (-mhp-ld): Ditto.
2048
2049 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
2050
2051         PR 23391
2052         * Makefile.in (tree-chrec.o): Depends on real.h.
2053         * tree-chrec.c: Include real.h.
2054         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
2055         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
2056         * tree-scalar-evolution.c (add_to_evolution_1,
2057         interpret_rhs_modify_expr): Ditto.
2058
2059 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
2060
2061         PR 23386
2062         * tree-data-ref.c (estimate_niter_from_size_of_data): When
2063         step is negative compute the estimation from init downwards to zero.
2064
2065 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
2066
2067         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
2068
2069 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
2070
2071         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
2072         constraint.
2073         (legitimate_reload_constant_p): Fix handling of lliXX operands.
2074         Accept double-word constants that can be split.
2075         * config/s390/s390.md ("movti"): Use 'P' constraint.
2076         ("*movdi_31", "*movdf_31"): Likewise.
2077
2078 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
2079
2080         Fix PR tree-optimization/22615
2081
2082         * tree-ssa-structalias.c (solution_set_add): Handle
2083         first_vi_for_offset returning NULL.
2084         (do_da_constraint): Ditto.
2085         (do_sd_constraint): Ditto.
2086         (do_ds_constraint): Ditto
2087         (find_func_aliases): Ditto.
2088         (build_constraint_graph): RHS is allowed be ANYTHING.
2089         (first_vi_for_offset): Return NULL if we couldn't find anything at
2090         the offset.
2091
2092 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
2093
2094         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
2095         over memory as first operand.
2096
2097 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
2098
2099         PR target/23360
2100         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
2101         available for setting it.
2102
2103 2005-08-14  Ira Rosen  <irar@il.ibm.com>
2104
2105         PR tree-optimization/23320
2106         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
2107         data-refs' types instead of base object nullness. Add check for
2108         pointer type data-refs before first location comparison. Remove
2109         assert.
2110
2111 2005-08-14  Andreas Schwab  <schwab@suse.de>
2112
2113         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
2114
2115 2005-08-13  James E Wilson  <wilson@specifix.com>
2116
2117         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
2118         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
2119         -fstack-protector-all, --param ssp-buffer-size): Document.
2120         (-Wvariadic-macros): Alphabetize.
2121         (-fsched-stalled-insns-dep): Add missing 'f'.
2122
2123         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
2124         macros.
2125
2126 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
2127
2128         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
2129         or indirect address operand.
2130         (EXTRA_ADDRESS_CONSTRAINT): New.
2131         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
2132
2133 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
2134
2135         PR tree-optimization/22236
2136         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
2137         successors and predecessors.
2138         * tree-chrec.c (chrec_convert): Before converting, check that
2139         sequences don't wrap.
2140         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
2141         (analyze_array): Extern.
2142         (find_data_references_in_loop): Remove call to
2143         compute_estimated_nb_iterations.
2144         * tree-data-ref.h (analyze_array): Declared.
2145         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
2146         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
2147         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
2148         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
2149         condition.
2150         * tree-ssa-loop-ivcanon.c: Fix documentation.
2151         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
2152         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
2153         (infer_loop_bounds_from_undefined): New.
2154         (estimate_numbers_of_iterations_loop): Use
2155         infer_loop_bounds_from_undefined.
2156         (used_in_pointer_arithmetic_p): New.
2157         (scev_probably_wraps_p): Pass an extra parameter.  Call
2158         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
2159         (convert_step): Fix documentation.
2160         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
2161         Use initial_condition_in_loop_num and evolution_part_in_loop_num
2162         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
2163         scev_probably_wraps_p.
2164
2165 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
2166
2167         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
2168         (s390_register_info): Ignore clobbered_regs information for fixed
2169         registers, and only fixed registers.
2170         (s390_init_frame_layout): Remove redundant call.
2171
2172 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
2173
2174         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
2175         description of -Wold-style-casts.
2176
2177 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2178             Jakub Jelinek  <jakub@redhat.com>
2179
2180         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2181         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
2182         * config/s390/s390.c (print_operand): New output modifier 'G' added.
2183         (get_thread_pointer): Renamed to s390_get_thread_pointer.
2184         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
2185         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
2186         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
2187         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2188         ("stack_protect_set", "stack_protect_test"): New expanders.
2189         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
2190         "stack_protect_testdi"): New insn definitions.
2191
2192 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2193
2194         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
2195
2196 2005-08-12  Paul Brook  <paul@codesourcery.com>
2197
2198         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
2199
2200 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2201
2202         * config/s390/predicates.md (setmem_operand): New predicate.
2203         (shift_count_operand): Accept ANDs with special constants as
2204         operand.
2205         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
2206         with special constants.
2207         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
2208         shift_count_operand with setmem_operand.
2209
2210 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2211
2212         * config/s390/s390.c (s390_extract_part, s390_single_part):
2213         Type cast added.
2214         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
2215         (s390_output_mi_thunk): Don't use lg on 31 bit.
2216         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
2217         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
2218
2219 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2220
2221         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
2222         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
2223         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
2224         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
2225         with one of the new macros.
2226
2227 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2228
2229         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
2230         Don't set save_return_addr_p.
2231         (s390_register_info): Make clobbered_regs not depending on
2232         save_return_addr_p.
2233
2234 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
2235
2236         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
2237         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
2238
2239 2005-08-11  James E. Wilson  <wilson@specifix.com>
2240
2241         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
2242
2243 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
2244
2245         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
2246         locations gathered by var-tracking in single entry loc_list
2247         over loc_descriptor_from_tree.
2248
2249         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
2250         pass it down to loc_descriptor.
2251         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
2252         (containing_function_has_frame_base): Move earlier in the file.
2253         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
2254         instead of always assuming fbreg can't be used.
2255
2256 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
2257
2258         * config/rs6000/altivec.md: Change constraint "m" to "Z".
2259         * config/rs6000/predicates.md (indexed_or_indirect_operand):
2260         Accept address wrapped in AND for Altivec.
2261         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2262         Strip AND wrapping offset address for Altivec.
2263
2264 2005-08-11  Richard Henderson  <rth@redhat.com>
2265
2266         PR middle-end/23312
2267         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
2268         before using TYPE_IS_SIZETYPE.
2269
2270 2005-08-11  Richard Henderson  <rth@redhat.com>
2271
2272         PR target/22225
2273         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
2274         insn types not present on ev4.
2275         (alphaev5_insn_pipe): Similarly.
2276
2277 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
2278
2279         PR target/23250
2280         * arm.c (arm_override_options): If the user has selected callee-super-
2281         interworking, then enable normal interworking.
2282
2283 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2284
2285         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
2286         redefinition.
2287
2288 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
2289
2290         * doc/rtl.texi: Fix two typos.
2291
2292 2005-08-11  Richard Guenther  <rguenther@suse.de>
2293
2294         PR target/23289
2295         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
2296         cases where we call to/from functions returning void.
2297
2298 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
2299
2300         PR c++/23225
2301         * tree.c (build_pointer_type_for_mode): Robustify.
2302
2303 2005-08-10  James E Wilson  <wilson@specifix.com>
2304
2305         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
2306         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
2307
2308         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
2309         "cum->".
2310
2311 2005-08-10  Eric Christopher  <echristo@apple.com>
2312
2313         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
2314         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
2315         V2DFmode.
2316
2317 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
2318
2319         PR target/21887
2320         * config/darwin.c (machopic_indirect_data_reference): Use a new register
2321         for the high part when generating dynamic-no-pic code.
2322
2323 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
2324
2325         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
2326         (x86_64-*-linux*): Likewise.
2327
2328         * config/i386/crtfastmath.c: New file.
2329         * config/i386/t-crtfm: Likewise.
2330
2331         * config/i386/linux.h (ENDFILE_SPEC): New.
2332         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
2333
2334         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2335         crtfastmath.o.
2336
2337 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
2338
2339         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
2340         (vec_shl, vec_shr): Document new operations.
2341         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
2342
2343 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
2344
2345         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
2346         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
2347         change predicate to indexed_or_indirect_address.
2348
2349 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
2350
2351         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
2352         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
2353         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
2354         and __aeabi_uwrite8.
2355         * config/arm/unaligned-funcs.c: New file.
2356         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
2357
2358 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
2359
2360         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
2361         Add dump.
2362         * cfglayout.c (pass_insn_locators_initialize): Add dump.
2363         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
2364         Add dump.
2365         * except.c (pass_convert_to_eh_region_ranges): Add dump.
2366         * final.c (pass_shorten_branches): Add dump.
2367         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
2368         (pass_life): Rename dump.
2369         (rest_of_handle_flow2): Remove initial verify_flow_info.
2370         * function.c (pass_instantiate_virtual_regs): Add dump.
2371         * integrate.c (pass_initial_value_sets): Add dump.
2372         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
2373         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
2374         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
2375         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
2376         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
2377         gate_rtl_unrool_and_peel_loops): New.
2378         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
2379         rtl_doloop): Do not look at flags.
2380         * mode-switching.c (pass_mode_switching): Add dump.
2381         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
2382         pass_split_before_regstack): Add dump.
2383         * regmove.c (pass_stack_adjustments): Add dump.
2384         * tree-optimize.c (pass_fixup_cfg): Add dump.
2385
2386 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2387
2388         PR 23309
2389         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
2390         deciding which instruction sequence to use.
2391
2392 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
2393
2394         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
2395         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
2396
2397 2005-08-09  Richard Guenther  <rguenther@suse.de>
2398
2399         * c-common.c (builtin_function_2): Remove.
2400         (def_builtin_1): New function.
2401         (c_common_nodes_and_builtins): Use def_builtin_1 to
2402         build builtin functions.
2403
2404 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
2405
2406         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
2407         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2408         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
2409         Visual DSP.
2410
2411 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
2412
2413         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
2414         fold_binary instead of fold_build2 since we don't care about the
2415         resulting tree.
2416         (loop_niter_by_eval): Likewise.
2417         (compare_trees): Likewise.
2418         (proved_non_wrapping_p): Likewise.
2419
2420 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
2421
2422         PR c/23161
2423         PR c/23165
2424         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
2425         if the if is really empty.
2426
2427 2005-08-09  Steven Bosscher  <stevenb@suse.de>
2428
2429         PR tree-optimization/23234
2430         * tree-ssa-math-opts.c (place_reciprocal): New enum.
2431         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
2432         argument of the new enum.
2433         (execute_cse_reciprocals): Add reciprocals for function arguments
2434         on the unique successor edge of the entry block.  Update other calls
2435         to execute_cse_reciprocals_1.
2436
2437 2005-08-08  Richard Henderson  <rth@redhat.com>
2438
2439         PR 22439
2440         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
2441
2442 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
2443
2444         * expr.c (write_complex_part): Return after handling MEM.
2445
2446 2005-08-08  Josh Conner  <jconner@apple.com>
2447
2448         PR rtl-optimization/23241
2449         * combine.c (simplify_comparison): Fix error in determining
2450         whether to lift a subreg from comparison.
2451
2452 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
2453
2454         PR target/18506
2455         * config/rs6000/altivec.md (vec_init<mode>): New.
2456         (vec_set<mode>): New.
2457         (vec_extract<mode>): New.
2458         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
2459         (rs6000_expand_vector_set): New.
2460         (rs6000_expand_vector_extract): New.
2461         (rs6000_legitimate_offset_address_p): Offset addresses are valid
2462         for Altivec modes before reload.
2463         (altivec_expand_vec_init_builtin): New.
2464         (get_element_number): New.
2465         (altivec_expand_vec_set_builtin): New.
2466         (altivec_expand_vec_ext_builtin): New.
2467         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
2468         builtins.
2469         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
2470         builtins.
2471         * config/rs6000/rs6000.h (rs6000_builtins): Add
2472         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
2473         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
2474         * config/rs6000/rs6000-protos.h: Declare new functions.
2475
2476 2005-08-08  Jan Hubicka  <jh@suse.cz>
2477
2478         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
2479         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
2480         * i386.md (movdi*): Use pic_32bit_operand.
2481         * predicates.md (pic_32bit_operand): New.
2482
2483 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
2484
2485         PR c++/21166
2486         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
2487
2488 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
2489
2490         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
2491         (test_for_singularity): Use fold_build2.
2492
2493 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2494
2495         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
2496
2497 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
2498
2499         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2500         (COMMON_ASM_OP) Define.
2501         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
2502         (ix86_encode_section_info): Likewise.
2503         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
2504         SUBTARGET_ENCODE_SECTION_INFO.
2505
2506 2005-08-06  Richard Henderson  <rth@redhat.com>
2507
2508         PR 21894
2509         * tree-nested.c (convert_local_reference): Save and restore val_only
2510         around component_ref and friends.  Clear walk_subtrees by default.
2511
2512 2005-08-06  Peter O'Gorman  <peter@pogma.com>
2513
2514         PR 21366
2515         * gcc.c (process_command): Check the argument to -b has a dash.
2516         * doc/invoke.texi: Update -b and -V docs.
2517
2518 2005-08-06  James E Wilson  <wilson@specifix.com>
2519
2520         * config/mips/cross64.h, config/mips/t-cross64: Delete.
2521
2522 2005-08-06  Michael Matz  <matz@suse.de>
2523
2524         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
2525         member only if only one insn is associated with the value.
2526
2527 2005-08-06  Nick Clifton  <nickc@redhat.com>
2528
2529         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
2530         New define.
2531         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
2532         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
2533         Check symbol flags instead of symbol name mangling.
2534         (xstormy16_asm_output_aligned_common): Likewise.  Also
2535         simplify code since the bss100_section cass is the only case
2536         where the below100 code will be triggered.
2537         (xstormy16_encode_section_info): Encode below100 attribute
2538         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
2539         the name.
2540         (xstormy16_strip_name_encoding): Delete - this function is no
2541         longer needed.
2542         (TARGET_STRIP_NAME_ENCODING): Undefine.
2543         * config/stormy16/stormy16-protos.h: Delete prototype for
2544         xstormy16_strip_name_encoding.
2545
2546 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
2547
2548         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
2549         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
2550         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
2551         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
2552         config/alpha/predicates.md, config/arc/arc.h,
2553         config/arm/arm.h, config/arm/ieee754-df.S,
2554         config/arm/ieee754-sf.S, config/bfin/bfin.c,
2555         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
2556         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
2557         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
2558         config/m68hc11/m68hc11.h, config/mips/mips.c,
2559         config/mips/mips.h, config/mips/openbsd.h,
2560         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
2561         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
2562         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
2563         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2564         config/sparc/linux.h, config/sparc/linux64.h,
2565         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
2566         doc/extend.texi, doc/gcov.texi, doc/install.texi,
2567         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
2568         typos.  Follow spelling conventions.
2569
2570 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
2571
2572         PR c/23113
2573         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
2574         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
2575         specially.  Check for side effects only for COND_EXPR.
2576         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
2577         return with TREE_NO_WARNING.
2578
2579 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
2580
2581         PR rtl-optimization/23233
2582         * loop.c (combine_movables): Require the modes to be the same.
2583         (move_movables): Remove handling of cases where the replacement
2584         had a different mode to the original.
2585
2586 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
2587
2588         PR tree-optimization/23128
2589         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
2590         subtraction wrap, and set TREE_OVERFLOW if they do.
2591
2592 2005-08-05  Richard Henderson  <rth@redhat.com>
2593
2594         PR 21728
2595         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
2596         FORCED_LABEL labels.
2597
2598 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
2599
2600         PR middle-end/23135
2601         * reload.c (find_reloads_subreg_address): Pass down TYPE
2602         unchanged.  Change all callers except find_reloads_toplev.
2603
2604 2005-08-05  Michael Matz  <matz@suse.de>
2605
2606         * genattrtab.c (current_alternative_string): Remove.
2607         (SIMPLIFY_ALTERNATIVE): Ditto.
2608         (attr_alt_bit_p): Ditto.
2609         (alternative_name): Make const char *.
2610         (evaluate_eq_attr): Remove use of above things.
2611         (simplify_test_exp): Ditto.
2612         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
2613         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
2614
2615 2005-08-04  James E Wilson  <wilson@specifix.com>
2616
2617         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
2618         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
2619         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
2620         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
2621         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
2622
2623 2005-08-04  Richard Henderson  <rth@redhat.com>
2624
2625         PR 21529
2626         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
2627         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
2628         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
2629         if we'd have to instantiate too many members.
2630
2631 2005-08-04  Richard Henderson  <rth@redhat.com>
2632
2633         PR 21291
2634         * tree-outof-ssa.c (coalesce_asm_operands): New.
2635         (coalesce_ssa_name): Use it.  Split out ...
2636         (coalesce_phi_operands, coalesce_result_decls): ... these.
2637
2638 2005-08-04  Paul Brook  <paul@codesourcery.com>
2639
2640         * read-rtl.c (read_quoted_string): Break if EOF.
2641
2642 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
2643
2644         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
2645         (fold_build2): Likewise.
2646         (fold_build3): Likewise.
2647         (fold_build1_stat): New function prototype.
2648         (fold_build2_stat): Likewise.
2649         (fold_build3_stat): Likewise.
2650         * fold-const.c (fold_build1): Rename to ..
2651         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2652         through to build1_stat.
2653         (fold_build2): Rename to ..
2654         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2655         through to build2_stat.
2656         (fold_build3): Rename to ..
2657         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2658         through to build3_stat.
2659
2660 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
2661             Ian Lance Taylor  <ian@airs.com>
2662
2663         * function.c (assign_stack_local_1): Do not correct stack slot
2664         address if allocation size is smaller than mode size.
2665
2666 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
2667
2668         PR 22037
2669         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
2670         (tree_merge_blocks): Propagate anything allowed by
2671         may_propagate_copy.
2672         Clarify documentation.
2673         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
2674         SSA form, schedule an update if necessary.
2675
2676 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
2677
2678         * doc/install.texi (Binaries): Remove broken link to
2679         Sinix/Reliant Unix binaries.
2680
2681 2005-08-03  Richard Henderson  <rth@redhat.com>
2682
2683         PR 23221
2684         * function.c (stack_protect_epilogue): Export.
2685         * tree.h (stack_protect_epilogue): Declare.
2686         * calls.c (expand_call): Call it.
2687
2688 2005-08-03  Eric Christopher  <echristo@apple.com>
2689
2690         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
2691         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
2692         spec.
2693
2694 2005-08-04  Jan Hubicka  <jh@suse.cz>
2695
2696         * profile.c (branch_prob): Split edges with goto locus on them
2697         to get proper line counts.
2698         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
2699
2700 2005-08-03  Paul Brook  <paul@codesourcery.com>
2701
2702         * function.c (assign_parms): Round current_function_args_size
2703         to PARM_BOUNDARY, not STACK_BOUNDARY.
2704
2705 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
2706
2707         * config/i386/i386.c (x86_elf_aligned_common)
2708         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
2709
2710 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
2711
2712         PR tree-optimization/23157
2713         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
2714         before emitting them.
2715
2716 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2717
2718         PR tree-optimization/19899
2719         * Makefile.in (tree-scalar-evolution.o): Add real.h.
2720         * tree-scalar-evolution.c: Include real.h.
2721         (add_to_evolution): Build constant -1 of correct type.
2722
2723 2005-08-03  Jan Hubicka  <jh@suse.cz>
2724
2725         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
2726         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
2727         profile updating for complette unrolling.
2728         * loop-unroll.c (peel_loop_completely): Use it.
2729         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2730         (tree_unroll_loops_completely): Disable code growing unrolling of cold
2731         loops.
2732
2733 2005-08-03  Paul Brook  <paul@codesourcery.com>
2734
2735         * combine.c (can_change_dest_mode): New function.
2736         (try_combine, simplify_set): Use it.
2737
2738 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
2739
2740         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
2741         TFmode to BLKmode.
2742
2743 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
2744
2745         * doc/install.texi (Specific): Adjust link to openavr.org.
2746         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
2747         (Binaries): Adjust HP-UX Porting Center link.
2748         (Binaries): Adjust Free Software Foundation ordering link.
2749
2750 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
2751
2752         * convert.c (convert_to_integer): Use fold_build1 instead of
2753         build1 when converting an integer to an integer.
2754
2755 2005-08-02  Richard Henderson  <rth@redhat.com>
2756
2757         * combine.c (combine_instructions): Don't use reg_equal/equiv
2758         results if the mode doesn't match.
2759
2760 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
2761
2762         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
2763         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
2764
2765 2005-08-02  Richard Henderson  <rth@redhat.com>
2766
2767         PR 23196
2768         * explow.c (memory_address): Remove special-case for
2769         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
2770
2771 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
2772
2773         PR 23164
2774         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
2775         number of calls to cleanup_tree_cfg_1.
2776
2777 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
2778
2779         * doc/invoke.texi: document file extensions .F90 and .F95
2780
2781 2005-08-02  Richard Guenther  <rguenther@suse.de>
2782
2783         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
2784         positive if its first argument is positive.
2785
2786 2005-08-02  Richard Guenther  <rguenther@suse.de>
2787
2788         PR tree-optimization/23177
2789         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
2790         on TMR_TAG.
2791
2792 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
2793
2794         PR tree-optimization/23129
2795         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
2796         varying for divisions with anti-ranges.
2797
2798 2005-08-02  Jan Hubicka  <jh@suse.cz>
2799
2800         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
2801         * tree-ssa-threadupdate.c (thread_block): Add it here.
2802
2803 2005-08-01  James E Wilson  <wilson@specifix.com>
2804
2805         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
2806         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
2807         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
2808         New.
2809         * config/mips/predicates.md (const_call_insn_operand): Add check for
2810         SYMBOL_REF_LONG_CALL_P.
2811         * doc/extend.texi (long_call): Document the new attribute.
2812
2813 2005-08-01  Ian Lance Taylor  <ian@airs.com>
2814             Richard Henderson  <rth@redhat.com>
2815
2816         * Makefile.in (RTL_BASE_H): Add real.h.
2817         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
2818         instead of memcpy.
2819         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
2820         directly.
2821         * rtl.c (rtl_check_failed_code_mode): New.
2822         * rtl.h (struct rtx_def): Add u.rv.
2823         (XCMWINT, XCNMPRV): New.
2824         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
2825         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
2826
2827 2005-08-01  Richard Henderson  <rth@redhat.com>
2828
2829         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
2830         with auto-inc codes.
2831
2832         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
2833
2834 2005-08-01  Jan Hubicka  <jh@suse.cz>
2835
2836         * i386-protos.h (asm_preferred_eh_data_format): Declare.
2837         * i386.c: Include dwarf2.h
2838         (asm_preferred_eh_data_format): New.
2839         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
2840
2841 2005-08-01  Ian Lance Taylor  <ian@airs.com>
2842
2843         * config/host-linux.c (linux_gt_pch_get_address): Add new name
2844         randomize_va_space for virtual address randomization control.
2845
2846 2005-08-01  Steven Bosscher  <stevenb@suse.de>
2847
2848         * common.opt (flag_ipa_cp): Put in right place to maintain
2849         alphabetic sort.
2850
2851 2005-08-01  Jan Hubicka  <jh@suse.cz>
2852
2853         * profile.c (compute_value_histograms): Fix thinko.
2854         * value-prof.c: Include toplev.h
2855         (check_counter): New function.
2856         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
2857         tree_mod_subtract_transform): Add sanity check.
2858
2859 2005-08-01  Richard Guenther  <rguenther@suse.de>
2860
2861         PR tree-optimization/23133
2862         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
2863         current functions parameter decls to find defs to cse
2864         reciprocals of.
2865
2866 2005-08-01  Richard Guenther  <rguenther@suse.de>
2867
2868         PR tree-optimization/23109
2869         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
2870         If trapping math is in effect, use post-dominator information
2871         to check if we'd in any case reach a trapping point before
2872         doing the reciprocal insertion.
2873         (execute_cse_reciprocals): Compute post-dominators, if necessary.
2874         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
2875         expressions are invariant only if trapping math is not in effect.
2876
2877 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
2878
2879         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
2880         cgraph_function_versioning): New declarations.
2881         * cgraphunit.c: Add include to ipa-prop.h.
2882         (update_call_expr, cgraph_copy_node_for_versioning,
2883         cgraph_function_versioning): New functions.
2884         * integrate.c (copy_decl_for_inlining): Remove.
2885         * ipa-prop.h (ipa_replace_map): New struct.
2886         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
2887         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
2888         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
2889         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
2890         ipcp_iterate_stage, ipcp_method_scale_print,
2891         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
2892         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
2893         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
2894         ipcp_update_bb_counts, ipcp_update_profiling,
2895         ipcp_update_edges_counts): New functions.
2896         (ipcp_method_cval_init): Remove restriction regarding local methods.
2897         (ipcp_init_stage): Add ipcp_method_compute_scale.
2898         (ipcp_insert_stage): Add versioning.
2899         (ipcp_structures_print): Add ipcp_method_scale_print.
2900         (ipcp_driver): Dump profiling info.
2901         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
2902         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
2903         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
2904         (struct inline_data): Add versioning_p, ipa_info, new fields.
2905         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
2906         declare_return_variable): Replace calls to copy_decl_for_inlining with
2907         copy_decl_for_dup.
2908         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
2909         versioning support.
2910         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
2911         Add argument VERSIONING.
2912         (copy_arguments_for_versioning, copy_static_chain,
2913         function_versionable_p, tree_versionable_function_p,
2914         tree_function_versioning, replace_ref_tree): New functions.
2915         * tree-inline.h: Include varray.h.
2916         (tree_versionable_function_p,  tree_function_versioning,
2917         tree copy_decl_for_dup): New declarations.
2918
2919 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
2920
2921         * ipa-cp.c: New file. Contains IPCP specific functionality.
2922         * ipa-prop.h: New file. Contains structures/definitions that can be
2923         used by several interprocedural data flow optimizations (and also IPCP).
2924         * ipa-prop.c: New file.
2925         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
2926         * common.opt: Add ipa-cp flag.
2927         * timevar.def: Add IPCP optimization.
2928         * tree-optimize.c (init_tree_optimization_passes): Schedule
2929         pass_ipa_cp.
2930         * tree-pass.h (pass_ipa_cp): Declare.
2931
2932 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
2933
2934         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
2935         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
2936         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
2937         config/i386/i386.c, config/mips/mips.h,
2938         config/rs6000/rs6000.h, config/sh/sh.c,
2939         config/stormy16/stormy16.c: Fix comment typos.
2940
2941 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
2942
2943         PR c/22311
2944         * c-typeck.c (build_binary_op): Use common_type wrapper on
2945         shortened types.
2946         (common_type): Update comment.
2947
2948 2005-07-31  Steven Bosscher  <stevenb@suse.de>
2949
2950         PR target/23095
2951         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
2952         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
2953         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
2954
2955 2005-07-31  Jan Hubicka  <jh@suse.cz>
2956
2957         * pretty-print.h (pp_widest_integer): New macro.
2958         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
2959         counts.
2960
2961 2005-07-31  Jan Hubicka  <jh@suse.cz>
2962
2963         * output.h (enum section_category): Export from varasm.c
2964         (categorize_decl_for_section): Likewise.
2965         * varasm.c (enum section_category): Kill.
2966         (categorize_decl_for_section): Make global.
2967         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
2968         Declare.
2969         * i386.c (ix86_section_threshold): New static variable.
2970         (ix86_in_large_data_p, ix86_encode_section_info,
2971         x86_64_elf_unique_section,
2972         x86_64_elf_select_section): New functions.
2973         (TARGET_ENCODE_SECTION_INFO): Define
2974         (override_options): Enable medium model for PIC.
2975         (ix86_expand_prologue): Expand gen_set_got_rex64.
2976         (legitimate_constant_p): Handle new UNSPECs.
2977         (legitimate_pic_address_disp_p): Likewise.
2978         (legitimize_pic_address): Lower MEDIUM model addressing.
2979         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
2980         (enum cmodel): Add MEDIUM_PIC.
2981         (SYMBOL_REF_FAR_ADDR_P): New macro.
2982         (SYMBOL_FLAG_FAR_ADDR): New flag.
2983         * i386.md (movdi): Support medium model.
2984         (set_got_rex64): New pattern.
2985         * i386.opt (mlarge-data-threshold): New flag.
2986         * predicates.md (zext_operand/sext_operand): Deal with medium model.
2987         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
2988         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
2989         TARGET_ASM_UNIQUE_SECTION): New.
2990
2991         * invoke.texi (-mlarge_data_threshold): Document
2992
2993 2005-07-31  Jan Hubicka  <jh@suse.cz>
2994
2995         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
2996         (coalesce_vars): Likewise.
2997         * tree-ssa-live.c (coalesce_cost): New.
2998         (build_tree_conflict_graph): Use coalesce_cost.
2999         * tree-ssa-live.h (coalesce_cost): Declare.
3000
3001 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
3002
3003         * arm.md (all peepholes for post-increment operations): Delete.
3004         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
3005         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
3006         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
3007         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
3008         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
3009
3010 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
3011
3012         * fold-const.c (tree_expr_nonnegative_p): Always return true for
3013         non-integral types.
3014
3015 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
3016
3017         PR target/22582
3018         * doc/invoke.texi: Document -rdynamic.
3019
3020 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
3021
3022         PR c/23143
3023         * c-parser.c (c_parser_parms_list_declarator): Call
3024         mark_forward_parm_decls.
3025         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
3026         decls with visibility structure.
3027
3028 2005-07-30  Paul Brook  <paul@codesourcery.com>
3029
3030         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
3031
3032 2005-07-30  Paul Brook  <paul@codesourcery.com>
3033
3034         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
3035         prototype.
3036         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
3037         value for mode.
3038         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
3039
3040 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3041
3042         PR c/529
3043         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
3044         nested function declarators.
3045         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
3046         (grokparms): Call warn_if_shadowing for parameters used within the
3047         parameter list.
3048         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
3049         not used within the parameter list.
3050         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
3051
3052 2005-07-30  Jan Hubicka  <jh@suse.cz>
3053
3054         * expr.c (expand_expr_real_1): Do not load mem targets into register.
3055         * i386.c (ix86_fixup_binary_operands): Likewise.
3056         (ix86_expand_unary_operator): Likewise.
3057         (ix86_expand_fp_absneg_operator): Likewise.
3058         * optabs.c (expand_vec_cond_expr): Validate dest.
3059
3060 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3061
3062         PR c/21720
3063         * real.c (real_from_string): Also set last bit if there is a
3064         nonzero hex digit beyond GCC's internal precision after ".".
3065
3066 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
3067
3068         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
3069         define_constants.  Change duplicate values to unassigned numbers.
3070         Change UNSPEC_SUBS to UNSPEC_VSUBS.
3071         (*altivec_vspltsf): New.
3072         (altivec_vperm_v4sf): Delete.
3073         (altivec_vperm_<mode>): Use mode macro V.
3074         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
3075         (altivec_predicate_v4sf): Delete.
3076         (altivec_predicate_<mode>): Use mode macro V.
3077         (*altivec_lvesfx): New.
3078         (*altivec_stvesfx): New.
3079         (vec_realign_load_v4sf): Delete.
3080         (vec_realign_load_<mode>): Use mode macro V.
3081         * config/rs6000/rs6000.c (generate_set_vrsave): Use
3082         UNSPECV_SET_VRSAVE.
3083
3084 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
3085
3086         PR bootstrap/23131
3087         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
3088         string.
3089         * configure: Regenerated.
3090
3091 2005-07-29  Paul Brook  <paul@codesourcery.com>
3092
3093         * doc/install.texi: Add link to GFortran binaries wiki page.
3094
3095 2005-07-29  David Ung  <davidu@mips.com>
3096
3097         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
3098         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
3099         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
3100         * config/mips/mips.md (cpu): Add 5kf name.
3101         (includes): Includes 5k.md.
3102         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
3103         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
3104         -march flag.
3105
3106 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
3107
3108         PR 22550
3109         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
3110         (cleanup_tree_cfg): ... here.
3111         Call cleanup_tree_cfg_1 until there are no more cleanups to
3112         do.
3113
3114 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
3115
3116         * tree-vrp.c (compare_range_with_value): Return true or false
3117         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
3118         EQ_EXPR respectively.
3119
3120 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
3121
3122         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
3123         Fix comment typos.
3124
3125 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
3126
3127         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
3128         (tree_ssa_dominator_optimize): Increment it.
3129         (dump_dominator_optimization_stats): Print it.
3130
3131 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
3132             Steven Bosscher  <stevenb@suse.de>
3133
3134         PR rtl-optimization/23117
3135         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
3136         when head == tail.  Tidy comment.
3137
3138 2005-07-28  Richard Henderson  <rth@redhat.com>
3139
3140         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
3141         * cselib.c (rtx_equal_for_cselib_p): Likewise.
3142         * jump.c (rtx_renumbered_equal_p): Likewise.
3143         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
3144         CONST_INT and CONST_DOUBLE.
3145         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
3146         * reload.c (operands_match_p): Special case CONST_INT and
3147         CONST_DOUBLE; check mode earlier.
3148
3149 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3150
3151         PR c/22240
3152         * c-typeck.c (convert_for_assignment): Do not check
3153         DECL_IN_SYSTEM_HEADER on NULL fundecl.
3154
3155 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3156
3157         PR c/22192
3158         * c-typeck.c (composite_type): Prefer constant size arrays to
3159         VLAs.
3160
3161 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3162
3163         PR c/21720
3164         * real.c (real_from_string): Set last bit if there is a nonzero
3165         hex digit beyond GCC's internal precision.
3166
3167 2005-07-28  Richard Henderson  <rth@redhat.com>
3168
3169         PR rtl-opt/22619
3170         * cfgcleanup.c (try_forward_edges): Watch out for end of
3171         insn chain.
3172
3173 2005-07-28  James E Wilson  <wilson@specifixinc.com>
3174
3175         PR c/23106
3176         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
3177
3178 2005-07-28  Jan Hubicka  <jh@suse.cz>
3179
3180         * Makefile.in (rtl-profile.o): Kill all traces of it.
3181         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
3182         * coverage.h (rtl_coverage_counter_ref): Kill.
3183         * opts.c (flag_speculative_prefetching_set): Kill.
3184         (flag_loop_optimize_set): New.
3185         (common_handle_option): Disable loop optimizer when profiling;
3186         do not handle speculative prefetching.
3187         * passes.c (init_optimization_passes): Replace pass_profiling combo
3188         by branch_prob pass.
3189         * profile.c (compute_value_histograms): Update for simplified value
3190         profiles.
3191         (rtl_register_profile_hooks): Kill.
3192         (pass_profiling): Kill.
3193         (rest_of_handle_branch_prob): Do not profile.
3194         * toplev.c (process_options): Remove speculative prefetching.
3195         * toplev.h (flag_tree_based_profiling): Kill.
3196         * tree-profile.c (prepare_instrumented_value,
3197         tree_gen_interval_profiler, tree_gen_pow2_profiler,
3198         tree_gen_one_value_profiler, do_tree_profiling): Update for
3199         simplified datastructures.
3200         * value-prof.c: Add comment that speculative prefetching was dropped;
3201         update rest of file for simplified datastructures.
3202         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
3203         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
3204         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
3205         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
3206         rtl_mod_subtract, gen_speculative_prefetch,
3207         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
3208         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
3209         (gate_handle_value_profile_transformations,
3210         rest_of_handle_value_profile_transformations,
3211         pass_value_profile_transformations): Kill.
3212         * value-prof.h (histogram_value_t): Remove IL based unions.
3213         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
3214         rtl_profile_hooks): Remove hooks.
3215
3216         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
3217
3218         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
3219         (cgraph_clone_node): Likewise.
3220         * cgraph.h (cgraph_clone_edge): Update prototype.
3221         (cgraph_clone_node): Likewise.
3222         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
3223         cgraph_clone_node.
3224         (lookup_recursive_calls): Consider profile.
3225         (cgraph_decide_recursive_inlining): Fix updating; use new
3226         probability argument; use profile.
3227         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
3228         * tree-inline.c (copy_bb): Update clal of clone_edge.
3229         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
3230
3231         * invoke.texi (min-inline-recursive-probability): Document.
3232
3233 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
3234
3235         * doc/install.texi (Configuration): Update Valgrind homepage.
3236
3237 2005-07-28  Richard Henderson  <rth@redhat.com>
3238
3239         PR middle-end/21362
3240         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
3241         labels we want to delete.
3242         (cfg_layout_merge_blocks): Likewise.
3243
3244 2005-07-28  Richard Henderson  <rth@redhat.com>
3245
3246         PR target/17692
3247         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
3248         when expanding to nothing.
3249
3250 2005-07-28  Josh Conner  <jconner@apple.com>
3251
3252         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
3253         (cgraph_decide_inlining_of_small_functions): Likewise.
3254
3255 2005-07-28  Josh Conner  <jconner@apple.com>
3256
3257         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
3258         direction of badness if negative.
3259         (cgraph_default_inline_p): Add reason to parameters, and assign it
3260         a value.
3261         (cgraph_decide_inlining_of_small_functions): New parameter in call
3262         to cgraph_default_inline_p.
3263         (cgraph_decide_inlining_incrementally): Likewise.
3264         * cgraphunit.c (decide_is_function_needed): Likewise.
3265         * cgraph.h (cgraph_default_inline_p): Likewise.
3266
3267 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3268
3269         * builtins.c: Fix comment typo(s).
3270         * genautomata.c: Likewise.
3271         * gimplify.c: Likewise.
3272         * tree-dfa.c: Likewise.
3273         * tree-flow-inline.h: Likewise.
3274         * tree-into-ssa.c: Likewise.
3275         * tree-ssa-alias.c: Likewise.
3276         * tree-ssa-ccp.c: Likewise.
3277         * tree-ssa-copy.c: Likewise.
3278         * tree-ssa-dce.c: Likewise.
3279         * tree-ssa-dom.c: Likewise.
3280         * tree-ssa-operands.c: Likewise.
3281         * tree-tailcall.c: Likewise.
3282         * tree-vectorizer.c: Likewise.
3283         * tree-vrp.c: Likewise.
3284         * tree.c: Likewise.
3285
3286 2005-07-28  Jeff Law  <law@redhat.com>
3287
3288         * tree-vrp.c (test_for_singularity): Extracted from  ...
3289         (simplify_cond_using_ranges): Attempt to simplify a relational
3290         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
3291
3292 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
3293
3294         PR tree-optimization/22506
3295         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
3296         phis whose argument is constant.
3297
3298 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
3299
3300         PR rtl-optimization/18992
3301         Back out this patch:
3302           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3303           PR optimization/12142
3304           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
3305           uses of the register in the SET_SRC.  Remove unnecessary argument.
3306
3307         Replace it with this:
3308         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
3309         if flag_non_call_exceptions is set and the insn may trap, pass
3310         pc_rtx as dest for recursion.
3311         In SET_SRC part of SET case, if dest is already set, pass it down
3312         unchanged.
3313
3314 2005-07-28  Jan Hubicka  <jh@suse.cz>
3315
3316         * cfg.c (update_bb_profile_for_threading): Use RDIV.
3317         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
3318         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
3319         roundoff errors.
3320         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
3321         profile when available.
3322
3323 2005-07-28  Jan Beulich <jbeulich@novell.com>
3324
3325         * config/ia64/ia64.c (ia64_load_pair_ok): New.
3326         (ia64_print_operand): Describe and handle 'X'.
3327         (ia64_register_move_cost): Also handle FP_REGS.
3328         (ia64_preferred_reload_class): Likewise.
3329         (ia64_secondary_reload_class): Likewise.
3330         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
3331         it. Also check for ITANIUM_CLASS_FLDP.
3332         * config/ia64/ia64.h (FP_REGNO_P): New.
3333         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
3334         (reg_class): Add FP_REGS.
3335         (REG_CLASS_NAMES): Adjust for it.
3336         (REG_CLASS_CONTENTS): Likewise.
3337         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
3338         (REG_CLASS_FROM_LETTER): Handle 'x'.
3339         (CLASS_MAX_NREGS): Handle FP_REGS.
3340         (MEMORY_MOVE_COST): Likewise.
3341         * config/ia64/ia64.md (itanium_class): Add fldp.
3342         (type): Handle fldp.
3343         (movti_internal): More allowable operand combinations. Use ldfp8 when
3344         splitting unnecessary. Remove predicable attribute. Adjust
3345         itanium_class attribute.
3346         (smuldi3_highpart): Remove outdated comment.
3347         (mulditi3, umulditi3, rotlti3): New expanders.
3348         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
3349         (absti2): Disabled new insn for future reference.
3350         Respective new splitters.
3351         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
3352         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
3353         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
3354
3355 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
3356
3357         PR rtl-optimization/23047
3358         * simplify-rtx.c (simplify_const_relational_operation): Respect
3359         flag_wrapv for comparisons with ABS.
3360
3361 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
3362
3363         PR tree-optimization/22493
3364         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
3365         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
3366
3367 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
3368
3369         * config/frv/frv.opt (moptimize-membar): New.
3370
3371         * doc/invoke.texi: Document -moptimize-membar and its inverse.
3372
3373         * config/frv/frv.h: Remove machine_function definition.
3374
3375         * config/frv/frv.c (struct frv_io): New.
3376         (struct machine_function): Moved from frv.h.  Add has_membar_p.
3377         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
3378         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
3379         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
3380         (frv_optimize_membar_global, frv_optimize_membar): New functions.
3381         (frv_reorg): Call frv_optimize_membar when appropriate.
3382         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
3383         (frv_expand_builtin): Adjust calls accordingly.
3384         (frv_io_address_cookie): New function.
3385         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
3386         load or store rather than a special insn.  Add ccnstant address and
3387         io-type operands to the membar.
3388         (frv_ifcvt_modify_tests): Unsign regno.
3389         (frv_ifcvt_modify_tests): Same.
3390
3391         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
3392         UNSPEC_OPTIONAL_MEMBAR constant.
3393         (builtin_read_<mode>): Delete.
3394         (builtin_write_<mode>): Delete.
3395         ("optional_membar_<mode>"): Add operand.
3396
3397         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
3398         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
3399         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
3400         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
3401         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
3402         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
3403         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
3404         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
3405         * testsuite/gcc.target/frv/all-read-write-1.c: New.
3406
3407 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3408
3409         * df.c (df_uses_record): Handle SCRATCH.
3410
3411 2005-07-28  Steven Bosscher  <stevenb@suse.de>
3412
3413         PR debug/20161
3414         * passes.c (rest_of_decl_compilation): If decl is a type and
3415         we have encountered errors, don't emit debug information.
3416
3417 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
3418
3419         * params.def: Fixed comment.
3420
3421 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
3422
3423         PR target/19885
3424         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
3425         (TARGET_ASM_UNALIGNED_HI_OP): Add.
3426         (TARGET_ASM_UNALIGNED_SI_OP): Add.
3427
3428 2005-07-27  Steven Bosscher  <stevenb@suse.de>
3429
3430         PR c++/22003
3431         * varasm.c (assemble_start_function): Don't do anything that may
3432         require a CFG if the current function is a thunk.
3433
3434 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
3435
3436         * doc/install.texi (Prerequisites): Mention that perl is needed
3437         to do export control in libstdc++ targetting Darwin.
3438
3439 2005-07-27  Steven Bosscher  <stevenb@suse.de>
3440
3441         PR rtl-optimization/17808
3442         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
3443         (sched_insns_conditions_mutex_p): Split out from...
3444         (add_dependence): ...here.  But don't call it from here.
3445         (add_dependence_list): Check sched_insns_conditions_mutex_p
3446         before calling add_dependence.
3447         (add_dependence_list_and_free): Likewise.
3448         (fixup_sched_groups): Likewise.
3449         (sched_analyze_1): Likewise.
3450         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
3451         (sched_analyze): Likewise.
3452         (sched_analyze_insn): Likewise.
3453         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
3454         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
3455         dependencies on all COND_EXEC insns to jumps ending basic blocks
3456         when doing intrablock scheduling.
3457         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
3458
3459 2005-07-27  Jeff Law  <law@redhat.com>
3460
3461         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
3462         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
3463         equivalency sets, correctly handle the case were vr0 has an
3464         equivalency set, but vr1 does not.
3465
3466 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
3467
3468         PR tree-optimization/23073
3469         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
3470         vect_print_dump_info before fprintf.
3471
3472 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3473
3474         PR tree-optimize/22348
3475         * tree-ssa-loop-niter.c (number_of_iterations_cond):
3476         Fold the partial computation.
3477
3478 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3479
3480         PR tree-optimization/22325
3481         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
3482         Declare.
3483         * tree-scalar-evolution.c (scev_const_prop): Add generic final
3484         value replacement.
3485         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
3486         (force_var_cost): ... this function.
3487         (compute_phi_arg_on_exit): Export.
3488
3489 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3490
3491         PR tree-optimization/20773
3492         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
3493         edge.
3494
3495 2005-07-27  Richard Guenther  <rguenther@suse.de>
3496
3497         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
3498         Avoid pushing again if current struct contains only
3499         fields we decomposed.
3500
3501 2005-07-27  Jan Hubicka  <jh@suse.cz>
3502
3503         PR tree-optimization/22574
3504         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
3505         not available.
3506
3507         * tree-tailcall.c (decrease_profile): New function.
3508         (eliminate_tail_call): Use it.
3509
3510         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
3511         visibility flags correctly in whole program mode.
3512
3513 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
3514
3515         PR rtl-optimization/22472
3516         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
3517
3518 2005-07-26  Steven Bosscher  <stevenb@suse.de>
3519
3520         PR tree-optimization/22504
3521         * tree-complex.c (expand_complex_addition): Use 'code' instead
3522         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
3523
3524 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
3525
3526         * config.gcc (cpu_type): Add frv case.
3527         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
3528         (supported_defaults): Add fr550 case.
3529
3530 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
3531
3532         PR 22591
3533         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
3534         whether a pointer of type T * may point to objects of type T *.
3535
3536 2005-07-26  DJ Delorie  <dj@redhat.com>
3537
3538         * configure: Regenerate.
3539
3540 2005-07-26  Dale Johannesen  <dalej@apple.com>
3541
3542         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
3543
3544 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
3545
3546         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
3547         Clarify use of "build" in name.
3548
3549 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
3550
3551         * doc/extend.texi (Raw read/write Functions): New section.
3552         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
3553         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
3554         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
3555         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
3556         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
3557         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
3558         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
3559         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
3560         * config/frv/frv.c: Add bdesc_loads global.
3561         Add bdesc_stores global.
3562         (frv_init_builtins): Add support for __builtin_{read/write}*.
3563         (frv_volatile_memref): New.
3564         (frv_expand_load_builtin): New.
3565         (frv_expand_store_builtin): New.
3566         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
3567         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
3568         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
3569         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
3570         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
3571         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
3572         (builtin_read_<mode>): New.
3573         (builtin_write_<mode>): New.
3574         (builtin_write64): New.
3575         (optional_membar_<mode>): New.
3576
3577 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
3578
3579         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
3580         (rather than units) against HOST_BITS_PER_WIDE_INT.
3581
3582 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
3583
3584         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
3585         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
3586         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
3587         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
3588         FSF address.
3589
3590         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
3591         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
3592         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
3593         comment typos.
3594         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
3595
3596 2005-07-26  Richard Guenther  <rguenther@suse.de>
3597
3598         PR tree-optimization/22486
3599         * fold-const.c (fold_unary): Fold away useless component
3600         references of the form (T *)&T.x, if the address
3601         doesn't change.
3602
3603 2005-07-25  James E Wilson  <wilson@specifixinc.com>
3604
3605         * dwarf2out.c (add_call_src_coords_attributes): New.
3606         (gen_inlined_subroutine_die): Call it.
3607         (maybe_emit_file, init_file_table): Add comments.
3608         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
3609         maybe_emit_file.
3610         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
3611         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
3612         * tree.h (BLOCK_SOURCE_LOCATION): New.
3613         (struct tree_block): New field locus.
3614
3615 2005-07-26  Andreas Schwab  <schwab@suse.de>
3616
3617         PR rtl-optimization/23043
3618         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
3619         when allocating a struct unoccr.
3620
3621 2005-07-25  Richard Henderson  <rth@redhat.com>
3622
3623         PR 22626
3624         * tree-complex.c (gate_no_optimization): True if errors.
3625         * Makefile.in (tree-complex.o): Update dependencies.
3626
3627 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
3628
3629         * config/frv/predicates.md (integer_register_operand): Use
3630         GPR_AP_OR_PSEUDO_P.
3631
3632 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
3633
3634         PR tree-opt/22484
3635         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
3636         after fold.
3637         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
3638
3639 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
3640
3641         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
3642         types when flag_unsafe_math_optimizations is true.
3643
3644 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
3645
3646         * gcc.c (option_map): Add --sysroot.
3647         (process_command): Handle --sysroot.
3648         (display_help): Document it.
3649         * doc/cppopts.tex (-isysroot): Document.
3650         * doc/invoke.texi (--sysroot): Document.
3651         * doc/install.texi (--with-build-sysroot): Document.
3652
3653         * Makefile.in (inhibit_libc): New variable.
3654         (INHIBIT_LIBC_CFLAGS): Likewise.
3655         (LIBGCC2_CFLAGS): Include
3656         $(INHIBIT_LIBC_CFLAGS).
3657         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
3658         ($(T)crtbegin.o): Do not use @inhibit_libc@.
3659         ($(T)crtend.o): Likewise.
3660         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
3661         ($(T)crtendS.o): Likewise.
3662         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
3663         ($(T)crtendT.o): Likewise.
3664         (stmp-fixinc): Do not complain about missing headers if
3665         inhibit_libc.
3666         * configure.ac (inhibit_libc): Set it to true/false.
3667         (--with-build-sysroot): New option.  Use it to set
3668         SYSTEM_HEADER_DIR.
3669         * configure: Regenerated.
3670
3671 2005-07-25  Manfred Hollstein  <mh@suse.com>
3672
3673         * calls.c (store_one_arg): Fix unsigned comparison warning.
3674
3675 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
3676
3677         PR other/22337
3678         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
3679         (ggc_print_statistics): Initialize variable before use.
3680
3681 2005-07-25  Richard Guenther  <rguenther@suse.de>
3682
3683         * tree-dfa.c (mark_new_vars_to_rename): Protect against
3684         calling with a PHI_NODE argument.
3685
3686         * tree-flow-inline.h (overlap_subvar): Protect against
3687         possible overflow.
3688
3689 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
3690
3691         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
3692         * configure: Regenerate.
3693
3694 2005-07-25  Ira Rosen  <irar@il.ibm.com>
3695
3696         * expr.c (highest_pow2_factor): Make extern.
3697         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
3698         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
3699         record_array_differ_p, array_ptr_differ_p): Likewise.
3700         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
3701         additional cases. Call the above functions.
3702         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
3703         base_object_differ_p when there are two base objects. Otherwise, compare
3704         base address and offset. Call may_alias_p.
3705         (dump_data_reference): Use a correct field name.
3706         (analyze_array): Make static. Initialize new data-ref fields.
3707         (analyze_indirect_ref): New function.
3708         (init_data_ref): Initialize new data-ref fields.
3709         (strip_conversion): Moved from tree-vect-analyze.c.
3710         (analyze_offset_expr, get_ptr_offset, address_analysis,
3711         object_analysis): Likewise.
3712         (analyze_offset): New function.
3713         (create_data_ref): Likewise.
3714         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
3715         dimensions for ARRAY_REFs only.
3716         (build_classic_dist_vector): Make static.
3717         (access_functions_are_affine_or_constant_p): Call macro to get the
3718         address of access functions.
3719         (compute_all_dependences): Add new parameter
3720         compute_self_and_read_read_dependences. Compute self and read-read
3721         dependences if it is true.
3722         (find_data_references_in_loop): Call create_data_ref. Initialize new
3723         data-ref fields.
3724         (compute_data_dependences_for_loop): Add new parameter
3725         compute_self_and_read_read_dependences. Remove parameter nb_loops,
3726         compute nb_loops. Call compute_all_dependences,
3727         build_classic_dist_vector and build_classic_dir_vector with correct
3728         parameters.
3729         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
3730         with correct parameters. Compare dimensions for ARRAY_REFs only.
3731         (free_data_refs): Call macro to free access functions.
3732         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
3733         fields from stmt_vinfo.
3734         (struct base_object_info): New structure.
3735         (struct data_reference): Move fields to base_object_info. Add fields
3736         first_location and object_info for above structures. Move fields from
3737         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
3738         aligned_to.  Add macros to access the new fields.
3739         Update functions declarations.
3740         * tree-flow.h (is_aliased_with): Declare.
3741         * tree-loop-linear.c (linear_transform_loops): Call
3742         compute_data_dependences_for_loop with correct parameters.
3743         * tree-ssa-alias.c (is_aliased_with): New function.
3744         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
3745         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
3746         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
3747         vect_base_addr_differ_p, compute_subscript_distance and
3748         build_classic_dist_vector. Add printings. Check absolute value of
3749         distance.
3750         (vect_analyze_data_ref_dependences): Go through ddrs instead of
3751         data-refs.
3752         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
3753         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
3754         to bytes. Add printing.
3755         (vect_compute_data_refs_alignment): Go through loads and stores in one
3756         loop.
3757         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
3758         vect_analyze_data_ref_access): Likewise.
3759         (vect_analyze_pointer_ref_access): Remove.
3760         (vect_address_analysis, vect_object_analysis): Likewise.
3761         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
3762         and analyze data-refs in the loop.
3763         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
3764         fields of data-ref instead of stmt. Add init to the offset from the
3765         base.
3766         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
3767         (vect_update_init_of_dr): Likewise.
3768         (vect_update_inits_of_drs): Go through loads and stores in one loop.
3769         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
3770         removed fields.
3771         (new_loop_vec_info): Initialize new fields.
3772         (destroy_loop_vec_info): Free new fields.
3773         (vect_strip_conversion): Remove.
3774         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
3775         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
3776         datarefs. Add new field ddrs.
3777         Add macros for the new fields access.
3778         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
3779         base_aligned_p, misalignment, memtag, ptr_info and subvars.
3780         Remove their macros.
3781         * tree.h (highest_pow2_factor): Declare.
3782
3783 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
3784
3785         * calls.c (store_one_arg): Check for sibling call MEM arguments
3786         from already clobbered incoming argument area.
3787
3788 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3789
3790         * c-common.c (check_missing_format_attribute): New.
3791         * c-common.h (check_missing_format_attribute): Likewise.
3792         * c-typeck.c (convert_for_assignment): Use it.
3793
3794 2005-07-24  Andreas Schwab  <schwab@suse.de>
3795
3796         * config/m68k/m68k.md ("extendqidi2"): When source is an address
3797         register use a word move.  Correct operand of ext.w in 68000 code.
3798
3799 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
3800
3801         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
3802         variables as declarations, rather than definitions.
3803
3804 2005-07-24  Ira Rosen  <irar@il.ibm.com>
3805
3806         PR tree-optimization/22526
3807         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
3808         of the zero node.
3809
3810 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3811
3812         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
3813         that C99 reserve for future use. Use it to define clog10,
3814         clog10f and clog10l.
3815
3816 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3817
3818         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
3819         * configure.ac: Check for -Wmissing-format-attribute.
3820
3821         * configure: Regenerate.
3822
3823 2005-07-23  Richard Henderson  <rth@redhat.com>
3824
3825         PR tree-optimization/22623
3826         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
3827
3828 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
3829
3830         PR target/22577
3831         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
3832
3833 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3834
3835         * Makefile.in (C_TREE_H): Update dependencies.
3836         * c-tree.h: Include toplev.h.
3837         * diagnostic.h (diagnostic_set_info): Add format attribute.
3838         * rtl-error.c (diagnostic_for_asm): Likewise.
3839
3840 2005-07-23  Chao-ying Fu  <fu@mips.com>
3841
3842         * config/mips/mips-dsp.md: New file.
3843         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
3844         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
3845         functions.
3846         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
3847         MIPS_BUILTIN_BPOSGE32.
3848         (mips_expand_builtin_direct): Add one parameter to indicate that
3849         builtin functions need to return a value.
3850         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
3851         functions.
3852         (mips_regno_to_class): Add classes for 12 new DSP registers.
3853         (mips_subword): Change to check four HI registers.
3854         (mips_output_move): Output move to and from 6 new DSP accumulators.
3855         (override_options): Make sure -mdsp and -mips16 are not used together.
3856         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
3857         for machine modes.
3858         (mips_conditional_register_usage): Disable 6 new DSP accumulators
3859         when !TARGET_DSP.
3860         (print_operand): Add 'q' for printing DSP accumulators.
3861         (mips_cannot_change_mode_class): Check ACC_REGS.
3862         (mips_secondary_reload_class): Check ACC_REGS.
3863         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
3864         (mips_register_move_cost): Check ACC_REGS.
3865         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
3866         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
3867         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
3868         (dsp_bdesc): New array.
3869         (bdesc_arrays): Add DSP builtin function table.
3870         (mips_prepare_builtin_arg): Check predicate again after
3871         copy_to_mode_reg.
3872         (mips_expand_builtin): Add one more parameter to
3873         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
3874         MIPS_BUILTIN_BPOSGE32.
3875         (mips_init_builtins): Initialize new function types.
3876         (mips_expand_builtin_direct): Check if builtin functions need to
3877         return a value and pass operands properly.
3878         (mips_expand_builtin_bposge): New function.
3879         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
3880         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
3881         (FIRST_PSEUDO_REGISTER): Increase to 188.
3882         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3883         Update for 12 new DSP registers.
3884         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
3885         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
3886         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
3887         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
3888         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
3889         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
3890         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
3891         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
3892         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
3893         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
3894         (REGISTER_NAMES): Add names for 12 new DSP registers.
3895         * config/mips/mips.md: Include mips-dsp.md.
3896         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
3897         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
3898         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
3899         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
3900         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
3901         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
3902         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
3903         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
3904         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
3905         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
3906         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
3907         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
3908         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
3909         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
3910         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
3911         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
3912         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
3913         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
3914         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
3915         (UNSPEC_RDDSP): New constants.
3916         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
3917         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
3918         A<-d alternative.
3919         * config/mips/mips.opt (-mdsp): New option.
3920         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
3921         (reg_imm10_operand): New predicates.
3922         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
3923         * doc/invoke.texi (-mdsp): Document new option.
3924
3925 2005-07-22  DJ Delorie  <dj@redhat.com>
3926
3927         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
3928         to warning calls.
3929         * tree-inline.c (inlinable_function_p): Likewise.
3930
3931 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
3932
3933         PR debug/21828
3934         * toplev.c (check_global_declarations): Do not mark undefined
3935         variables as DECL_IGNORED_P.
3936         * varasm.c (first_global_object_name): GTY it.
3937         (weak_global_object_name): Likewise.
3938         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
3939         a string to go into {weak,first}_global_object_name.
3940
3941 2005-07-22  DJ Delorie  <dj@redhat.com>
3942
3943         * c-format.c (check_function_format): Change warning control
3944         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
3945
3946 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
3947
3948         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
3949         &PTR->FLD a dereference of PTR.
3950         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
3951         a potential dereference of PTR.
3952
3953 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
3954
3955         PR rtl-optimization/20370
3956         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
3957         call allocate_reg_info if necessary.
3958
3959         PR rtl-optimization/21848
3960         * calls.c (emit_library_call_value_1): For const functions, add
3961         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
3962
3963         PR rtl-optimization/22445
3964         * cselib.c (target.h): Include.
3965         (rtx_equal_for_cselib_p): Allow commutative matches.
3966         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
3967         Remove MODE parameter.  Changed all callers.
3968
3969         PR rtl-optimization/22258
3970         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
3971         New functions.
3972         (try_combine): Use likely_spilled_retval_p.
3973
3974 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
3975
3976         * config.gcc: Add crx-elf support.
3977
3978         * doc/contrib.texi: Mention crx.
3979         * doc/extend.texi: Document crx extensions.
3980         * doc/install.texi: Document crx install.
3981         * doc/invoke.texi: Document crx options.
3982         * doc/md.texi: Document crx constraints.
3983
3984         * config/crx/crx-protos.h: New file.
3985         * config/crx/crx.c: New file.
3986         * config/crx/crx.h: New file.
3987         * config/crx/crx.md: New file.
3988         * config/crx/crx.opt: New file.
3989         * config/crx/t-crx: New file.
3990
3991 2005-07-22  Manfred Hollstein  <mh@suse.com>
3992
3993         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
3994         warnings.
3995         (int_add_graph_edge): Likewise.
3996         (collapse_nodes): Likewise.
3997         (process_unification_queue): Likewise.
3998
3999 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4000             Laurent GUERBY  <laurent@guerby.net>
4001
4002         PR tree-optimization/22336
4003         * function.c (record_block_change): Check for
4004         cfun->ib_boundaries_block.
4005
4006 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
4007
4008         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
4009         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
4010
4011 2005-07-21  DJ Delorie  <dj@redhat.com>
4012
4013         * toplev.c (warn_deprecated_use): Add warning control to warning
4014         call.
4015         * c-typeck.c (parser_build_binary_op): Likewise.
4016         (c_finish_if_stmt): Likewise.
4017         * c-common.c (check_function_sentinel): Likewise.
4018         (check_nonnull_arg): Likewise.
4019
4020 2005-07-21  Richard Henderson  <rth@redhat.com>
4021
4022         PR tree-opt/22504
4023         * tree-complex.c (complex_ssa_name_components): New.
4024         (cvc_lookup): Allow entry not found.
4025         (create_components): Remove.
4026         (create_one_component_var, get_component_var): New.
4027         (get_component_ssa_name, set_component_ssa_name): New.
4028         (extract_component): Use get_component_ssa_name.
4029         (update_complex_components): Use set_component_ssa_name.
4030         (update_complex_components_on_edge): Likewise.
4031         (update_phi_components): Create new PHI nodes directly, instead
4032         of adding insns to edges.
4033         (tree_lower_complex): Allocate and free complex_variable_components
4034         and complex_ssa_name_components here.
4035
4036 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
4037
4038         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
4039         revert to returning false.
4040
4041 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
4042
4043         PR target/21149
4044         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
4045
4046 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
4047
4048         PR target/22576
4049         * config/i386/i386.md (cmpxf): Change operand constraints
4050         to "nonmemory_operand".
4051
4052 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4053
4054         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
4055
4056 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4057
4058         PR middle-end/21180
4059         * fold-const.c (fold_build1): Add checksum for the operands.
4060         (fold_build2): Likewise.
4061         (fold_build3): Likewise.
4062
4063 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4064
4065         PR middle-end/19055
4066         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
4067
4068 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4069
4070         * common.opt (-fforward-propagate): Committed by mistake,
4071         removed.
4072
4073 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4074
4075         * reg-stack.c: Fix comment typo(s).
4076         * tree-ssa-operands.c: Likewise.
4077         * tree-vectorizer: Likewise.
4078
4079 2005-07-21  Nick Clifton  <nickc@redhat.com>
4080
4081         * config/sh/symbian.c: Replace C++ style line comments with C
4082         style line comments.
4083         (symbian_add_attribute): Do not use a ? operator on the LHS of
4084         an assignment.
4085         (sh_symbian_handle_dll_attribute): Change the type of the
4086         method vector to "VEC(tree,gc)*" and use vector accessor
4087         macros to walk over the elements.
4088         (symbian_export_vtable_and_rtti_p): Likewise.
4089         (symbian_class_needs_attribute_p): Likewise.
4090
4091 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4092
4093         PR target/22085
4094         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
4095         initialize targetm.resolve_overloaded_builtin here.
4096         (altivec_expand_overloaded_builtin): Make it non-static.
4097         * config/rs6000/rs6000-protos.h
4098         (altivec_expand_overloaded_builtin): New prototype.
4099         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
4100         targetm.resolve_overloaded_builtin here.
4101         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
4102
4103 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4104             Zdenek Dvorak  <dvorakz@suse.cz>
4105
4106         PR tree-optimization/19210
4107         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
4108         New.
4109         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
4110         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
4111         rely on unproven assumptions.
4112         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
4113         * tree-flow.h (number_of_iterations_exit): Add final parameter.
4114         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
4115         to number_of_iterations_exit.
4116         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
4117         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
4118         * tree-ssa-loop-niter.c (find_loop_niter,
4119         estimate_numbers_of_iterations_loop): Likewise.
4120         (number_of_iterations_exit): Honor the new options.
4121         * doc/invoke.texi (Wunsafe-loop-optimizations,
4122         funsafe-loop-optimizations): Document them.
4123
4124 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
4125
4126         PR rtl-optimization/22167
4127         * gcse.c (hoist_code): Fix hoist_exprs[] check.
4128
4129 2005-07-20  Adam Nemet  <anemet@lnxw.com>
4130
4131         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
4132         __do_global_dtors_aux longcall.
4133
4134 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
4135
4136         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
4137         (old_special_pred_table): Don't reference
4138         SPECIAL_MODE_PREDICATES.
4139         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
4140         * config/arc/arc.h: Don't mention PREDICATE_CODES.
4141         * config/sh/predicates.h: Don't mention
4142         SPECIAL_MODE_PREDICATES.
4143         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
4144         Remove.
4145
4146 2005-07-20  DJ Delorie  <dj@redhat.com>
4147
4148         * config.gcc: Add m32c-elf support.
4149
4150         * doc/contrib.texi: Mention m32c.
4151         * doc/extend.texi: Document m32c extensions.
4152         * doc/install.texi: Mention m32c.
4153         * doc/invoke.texi: Document m32c options.
4154         * doc/md.texi: Document m32c constraints.
4155
4156         * config/m32c/addsub.md: New file.
4157         * config/m32c/bitops.md: New file.
4158         * config/m32c/cond.md: New file.
4159         * config/m32c/jump.md: New file.
4160         * config/m32c/m32c-lib1.S: New file.
4161         * config/m32c/m32c-lib2.c: New file.
4162         * config/m32c/m32c-modes.def: New file.
4163         * config/m32c/m32c-pragma.c: New file.
4164         * config/m32c/m32c-protos.h: New file.
4165         * config/m32c/m32c.abi: New file.
4166         * config/m32c/m32c.c: New file.
4167         * config/m32c/m32c.h: New file.
4168         * config/m32c/m32c.md: New file.
4169         * config/m32c/m32c.opt: New file.
4170         * config/m32c/minmax.md: New file.
4171         * config/m32c/mov.md: New file.
4172         * config/m32c/muldiv.md: New file.
4173         * config/m32c/predicates.md: New file.
4174         * config/m32c/prologue.md: New file.
4175         * config/m32c/shift.md: New file.
4176         * config/m32c/t-m32c: New file.
4177
4178 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4179
4180         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4181         (stack_protect_set, stack_protect_test): New expanders.
4182         (stack_protect_set_si, stack_protect_set_si_media,
4183         stack_protect_set_di_media, stack_protect_test_si,
4184         stack_protect_test_si_media, stack_protect_test_di_media):
4185         New insns.
4186
4187 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
4188
4189         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
4190
4191 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
4192
4193         * tree.h (tree_expr_nonzero_p): Export.
4194         * fold-const.c (tree_expr_nonzero_p): Likewise.
4195         Return true for CALL_EXPRs that are alloca calls.
4196         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
4197         against zero.
4198         * tree-flow.h (expr_computes_nonzero): Remove.
4199         * tree-vrp.c (expr_computes_nonzero): Remove.
4200         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
4201         (extract_range_from_unary_expr): Likewise.
4202         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
4203         tree_expr_nonzero_p.
4204
4205 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
4206
4207         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
4208         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
4209         extra arg "picreg" and use it instead of pic_offset_table_rtx.
4210         All callers changed.
4211         (frame_related_constant_load): New arg "related" which controls
4212         setting of RTX_FRAME_RELATED_P.  All callers changed.
4213         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
4214         (bfin_expand_prologue): Add stack limit checking.
4215         * config/bfin/bfin.md (trapifcc): New pattern.
4216
4217         * config/bfin/bfin.c: Include "langhooks.h".
4218         (def_builtin): Go through lang_hooks to call builtin_function.
4219
4220         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
4221         * config/bfin/predicates.md (symbol_ref_operand): New.
4222         (call_insn_operand): Delete.  All callers changed to use
4223         register_no_elim_operand.
4224         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
4225         call_cookie field.
4226         (function_arg): Use it to generate the call's operand 2.
4227         (bfin_longcall_p): New function.
4228         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
4229         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
4230         determine if the address needs to be in a REG.
4231         (bfin_handle_longcall_attribute): New function.
4232         (bfin_attribute_table): Add "longcall" and "shortcall".
4233         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
4234         (CUMULATIVE_ARGS): New member call_cookie.
4235         (PREDICATE_CODES): Add symbol_ref_operand.
4236         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
4237         extra USE to the pattern.
4238         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
4239         New patterns, split off call_insn, sibcall_insn, call_value_insn and
4240         sibcall_value_insn; now the new patterns handle direct calls and the
4241         old ones indirect calls.
4242         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
4243
4244 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
4245
4246         * doc/trouble.texi: Update section on handling of empty loops.
4247
4248 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
4249
4250         * config.gcc: Remove support for sparc-*-openbsd*,
4251         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
4252         ns32k-*-netbsd*.
4253         * config.host: Remove support for i860-*-sysv4* as a host.
4254         * config/i860/*, config/ip2k/*, config/ns32k/*,
4255         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
4256         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
4257         mention obsolete ports.
4258
4259 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4260
4261         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
4262         soft frame pointer.
4263         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
4264         of frame_pointer_rtx.
4265         (sh_expand_epilogue): Likewise.
4266         (sh_set_return_address): Likewise.
4267         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
4268         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
4269         offsets from FRAME_POINTER_REGNUM.
4270         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
4271         (sh_register_names): Add initializer for sfp.
4272         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
4273         (VALID_REGISTER_P): Likewise.
4274         (FIRST_PSEUDO_REGISTER): Update.
4275         (DWARF_FRAME_REGISTERS): Define.
4276         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
4277         (HARD_FRAME_POINTER_REGNUM): Define.
4278         (FRAME_POINTER_REGNUM): Redefine.
4279         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
4280         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
4281         from FRAME_POINTER_REGNUM.
4282         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
4283         FRAME_POINTER_REGNUM.
4284         (REG_CLASS_CONTENTS): Add sfp.
4285         (REG_ALLOC_ORDER): Likewise.
4286         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
4287         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
4288         of frame_pointer_rtx.
4289         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
4290
4291 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
4292
4293         * fold-const.c (tree_expr_nonnegative_p): Only return true for
4294         ABS_EXPR when flag_wrapv is false because of INT_MIN.
4295         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
4296         of an ABS_EXPR.
4297         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
4298         ABS_EXPR<x>.
4299
4300 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
4301
4302         Make CONSTRUCTOR use VEC to store initializers.
4303         * c-common.c (complete_array_type): Update to cope with VEC in
4304         CONSTRUCTOR_ELTS.
4305         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
4306         (pp_c_constructor_elts): New function.
4307         * c-pretty-print.h (pp_c_constructor_elts): Declare.
4308         * c-typeck.c (build_function_call, build_c_cast, digest_init,
4309         struct constructor_stack, struct initializer_stack,
4310         constructor_elements, push_init_level, pop_init_level,
4311         add_pending_init, find_init_member, output_init_element): Update to
4312         cope with VEC in CONSTRUCTOR_ELTS.
4313         * coverage.c (build_fn_info_value, build_ctr_info_value,
4314         build_gcov_info): Likewise.
4315         * expr.c (categorize_ctor_elements_1, store_constructor,
4316         expand_expr_real_1): Likewise.
4317         * fold-const.c (fold_ternary): Likewise.
4318         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
4319         gimplify_init_constructor, gimplify_expr): Likewise.
4320         * tree-dump.c (dequeue_and_dump): Likewise.
4321         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
4322         node.
4323         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
4324         CONSTRUCTOR_ELTS.
4325         * tree-sra.c (generate_element_init_1): Likewise.
4326         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
4327         * tree-ssa-operands.c (get_expr_operands): Likewise.
4328         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
4329         * tree-vect-transform.c (vect_get_vec_def_for_operand):
4330         (get_initial_def_for_reduction): Likewise.
4331         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
4332         value handle in annotations.
4333         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
4334         tree_node_structure): Add support for constr_kind.
4335         (build_vector_from_ctor, build_constructor_single,
4336         build_constructor_from_list): New functions.
4337         (build_constructor): Update to take a VEC instead of a TREE_LIST.
4338         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
4339         Update to cope with VEC in CONSTRUCTOR_ELTS.
4340         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
4341         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
4342         CONSTRUCTOR_APPEND_ELT): New macros.
4343         (struct constructor_elt, struct tree_constructor): New data types.
4344         (union tree_node): Add tree_constructor field.
4345         * treestruct.def: Define TS_CONSTRUCTOR.
4346         * varasm.c (const_hash_1, compare_constant, copy_constant,
4347         compute_reloc_for_constant, output_addressed_constants,
4348         initializer_constant_valid_p, output_constant,
4349         array_size_for_constructor, output_constructor): Update to cope with
4350         VEC in CONSTRUCTOR_ELTS.
4351         * vec.h (VEC_empty, VEC_copy): New macros.
4352
4353 2005-07-19  Devang Patel  <dpatel@apple.com>
4354
4355         * dbxout.c (dbxout_type): Check Objective-C++ lang.
4356
4357 2005-07-19  Richard Henderson  <rth@redhat.com>
4358
4359         PR tree-opt/22278
4360         * gimplify.c (gimplify_expr): Use main variant type for the temp
4361         destination for a discarded volatile read.
4362         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
4363         casts between non-void types that change volatility.
4364
4365 2005-07-15  DJ Delorie  <dj@redhat.com>
4366
4367         * toplev.h: Add comment about the first parameter for warning().
4368         * errors.h: Likewise.
4369
4370         * c.opt (Wpragmas): New.
4371         * doc/invoke.texi: Document it.
4372
4373         * function.c (do_warn_unused_parameter): Add warning control to
4374         warning call.
4375         * c-decl.c (warn_if_shadowing): Likewise.
4376         * c-lex.c (cb_def_pragma): Likewise.
4377         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
4378         (pop_alignment): Likewise.
4379         (handle_pragma_pack): Likewise.
4380         (apply_pragma_weak): Likewise.
4381         (handle_pragma_weak): Likewise.
4382         (handle_pragma_redefine_extname): Likewise.
4383         (add_to_renaming_pragma_list): Likewise.
4384         (handle_pragma_extern_prefix): Likewise.
4385         (maybe_apply_renaming_pragma): Likewise.
4386         (handle_pragma_visibility): Likewise.
4387
4388         * config/c4x/c4x-c.c (BAD): Likewise.
4389         (c4x_parse_pragma): Likewise.
4390         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
4391         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
4392         (rs6000_pragma_longcall): Likewise.
4393         * config/v850/v850-c.c (pop_data_area): Likewise.
4394         (ghs_pragma_section): Likewise.
4395         (ghs_pragma_section): Likewise.
4396         (ghs_pragma_interrupt): Likewise.
4397         (ghs_pragma_starttda): Likewise.
4398         (ghs_pragma_startsda): Likewise.
4399         (ghs_pragma_startzda): Likewise.
4400         (ghs_pragma_endtda): Likewise.
4401         (ghs_pragma_endsda): Likewise.
4402         (ghs_pragma_endzda): Likewise.
4403
4404 2005-07-19  Danny Berlin <dberlin@dberlin.org>
4405             Kenneth Zadeck <zadeck@naturalbridge.com>
4406
4407         * Makefile.in: Removed tree-promote-statics.c
4408         * tree-promote-statics.c: Removed.
4409         * common.opt: Removed flag-promote-statics.
4410         * opts.c: Ditto.
4411         * passes.c: Removed tree-promote-statics pass.
4412         * tree-pass.h: Ditto.
4413         * timevar.def: Removed TV_PROMOTE_STATICS.
4414
4415
4416 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
4417
4418         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
4419         and *-*-freebsd9.
4420         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
4421
4422 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4423
4424         PR c/22476
4425         * c-common.c (check_function_arguments): Call
4426         'check_function_format' if either -Wformat or
4427         -Wmissing-format-attribute are specified.
4428         * c-format.c (check_function_format): Check -Wformat before
4429         calling 'check_format_info'.
4430         * c-opts.c (c_common_post_options): Don't warn for
4431         -Wmissing-format-attribute without -Wformat.
4432         * c-typeck.c (convert_for_assignment): Detect additional cases for
4433         -Wmissing-format-attribute.
4434         * doc/invoke.texi (-Wmissing-format-attribute): Document new
4435         behavior.
4436
4437 2005-07-19  Richard Guenther  <rguenther@suse.de>
4438
4439         * config/i386/i386.md (lrint<mode>2): Use temporary
4440         instead of clobbering non-existent memory.
4441
4442 2005-07-19  Nick Clifton  <nickc@redhat.com>
4443
4444         * config/avr/avr.c (legitimate_address_p): Fix debugging print
4445         statement to avoid displaying ASCII control characters.
4446
4447 2005-07-19  Ben Elliston  <bje@au.ibm.com>
4448
4449         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
4450         * cfganal.c (find_edge_index): Ditto.
4451         * combine.c (combine_instructions): Ditto.
4452         * ddg.c (create_scc): Ditto.
4453         (find_successors): Ditto.
4454         (find_predecessors): Ditto.
4455         (find_nodes_on_paths): Ditto.
4456         (longest_simple_path): Ditto.
4457         * flow.c (update_life_info): Ditto.
4458         (count_or_remove_death_notes): Ditto.
4459         (clear_log_links): Ditto.
4460         * modulo-sched.c (generate_reg_moves): Ditto.
4461         (find_max_asap): Ditto.
4462         (find_max_hv_min_mob): Ditto.
4463         (find_max_dv_min_mob): Ditto.
4464         * sbitmap.c (sbitmap_first_set_bit): Ditto.
4465         * sched-rgn.c (extract_edgelst): Ditto.
4466         * tree-into-ssa.c (prepare_names_to_update): Ditto.
4467         (dump_update_ssa): Ditto.
4468         (ssa_names_to_replace) Ditto.
4469         (switch_virtuals_to_full_rewrite): Ditto.
4470         (update_ssa): Ditto.
4471         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
4472
4473 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
4474
4475         Fix PR tree-optimization/22483
4476
4477         * tree-complex.c (create_components): Use
4478         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
4479         * tree-flow-inline.h (fill_referenced_var_vec): New function.
4480         * tree-flow.h (safe_referenced_var_iterator): New structure.
4481         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
4482         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
4483         safe_referenced_var iterator.
4484         (add_type_alias): Ditto.
4485
4486 2005-07-19  Steven Bosscher  <stevenb@suse.de>
4487
4488         * loop-init.c (rest_of_handle_loop2): Remove.
4489         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
4490         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
4491         (pass_rtl_loop_init, pass_rtl_loop_done,
4492         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
4493         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
4494         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
4495         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
4496         pass_tree_loop_done, and pass_tree_unswitch.
4497         (gate_loop): Rename to gate_tree_loop.
4498         * passes.c (init_optimization_passes): Update for renamed tree
4499         loop passes.  Add the new loop2 passes as subpasses of loop2.
4500         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
4501         Update for the renamed tree loop passes.
4502
4503 2005-07-18  Ian Lance Taylor  <ian@airs.com>
4504
4505         PR middle-end/22057
4506         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
4507         blocks when optimizing.
4508
4509 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
4510
4511         * common.opt (frename-registers): Initialize to 2.
4512         (fweb): Ditto.
4513         (fgcse-after-reload): Ditto.
4514         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
4515         (process_options): Only change flag_web, flag_rename_registers,
4516         and flag_rerun_cse_after_loop if not explicitly set by user.
4517
4518 2005-07-18  Jan Beulich  <jbeulich@novell.com>
4519
4520         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
4521         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
4522         in 64-bit mode the same as DImode in 32-bit mode.
4523         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
4524         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
4525         mode. Add new mode parameter.
4526         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
4527         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
4528         x86_64_shift_adj): New expanders.
4529         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
4530         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
4531         insns.
4532         Respective new splitters. Use renamed shift splitter helpers in 32-bit
4533         DImode shift splitters.
4534         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
4535         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
4536         mode parameter.
4537
4538 2005-07-18  Jan Beulich  <jbeulich@novell.com>
4539
4540         * i386.md (movdi_extzv_1): New.
4541         (zero_extendhidi2): Combine alternatives and never force use of
4542         REX64 prefix.
4543         (zero_extendqidi2): Likewise. Don't restrict input selection.
4544
4545 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4546
4547         Fix PR tree-optimization/22531
4548         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
4549          moment.
4550
4551 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4552
4553         * tree-promote-statics.c (pass_promote_statics): Change dump file
4554          name.
4555
4556 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4557
4558         * tree-optimize.c (init_tree_optimization_passes): Add
4559         pass_eliminate_useless_stores pass.
4560         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
4561         * tree-ssa-pre.c (is_copy_stmt): New function.
4562         (follow_copies_till_vuse): Ditto.
4563         (do_eustores): Ditto.
4564         (gate_eustores): Ditto.
4565
4566 2005-07-16  Richard Henderson  <rth@redhat.com>
4567
4568         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
4569
4570 2005-07-16 Danny Berlin <dberlin@dberlin.org>
4571            Kenneth Zadeck <zadeck@naturalbridge.com>
4572
4573         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
4574         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
4575         ipa-type-escape.h, tree-promote-statics.c
4576         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
4577         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
4578         tree-promote-statics.c: new files.
4579         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
4580         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
4581         int nonlocal_set_p, mark_constant_function): Deleted.
4582         (rest_of_handle_cfg): Removed call to mark_constant_function.
4583         (nonoverlapping_component_refs_p): Added calls to support
4584         type based aliasing.
4585         * tree-ssa-alias.c (may_alias_p,
4586         compute_flow_insensitive_aliasing): Ditto.
4587         * calls.c (flags_from_decl_or_type): Removed reference to
4588         cgraph_rtl_info.
4589         * c-typeck.c (convert_arguments): Make builtins tolerant of having
4590         too many arguments.  This is necessary for Spec 2000.
4591         * cgraph.h (const_function, pure_function): Removed.
4592         * common.opt: Added "fipa-pure-const", "fipa-reference",
4593         "fipa-type-escape", and "ftree-promote-static".
4594         * opts.c: Ditto.
4595         * passes.c: Added ipa and tree-promote-statics passes.
4596         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
4597         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
4598         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
4599         * tree-flow.h: Added exposed sra calls and addition of
4600         reference_vars_info field for FUNCTION_DECLS.
4601         * tree-pass.h: Added passes.
4602         * tree-sra.c: (sra_init_cache): New function.
4603         (sra_insert_before, sra_insert_after) Made public.
4604         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
4605         and made public.
4606         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
4607         aliasing. (may_alias_p): Added code to use type escape analysis to
4608         improve alias sets.
4609         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
4610         code to prune clobbers of static variables based on information
4611         produced in ipa-reference pass.  Changed call clobbering so that
4612         statics are not marked as clobbered if the call does not clobber
4613         them.
4614
4615 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
4616
4617         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
4618         too.
4619
4620 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4621
4622         * doc/install.texi (*-*-solaris2*): Document recommended version
4623         of GNU binutils and mention GNU linker problem on Solaris 10.
4624
4625 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
4626
4627         PR c/22421
4628         * c-decl.c (c_build_bitfield_integer_type): New function.
4629         (finish_struct): Call it.
4630         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
4631
4632 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4633
4634         * c-typeck.c (digest_init): Call 'convert_for_assignment'
4635         before returning.
4636
4637 2005-07-16  Jan Hubicka  <jh@suse.cz>
4638
4639         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
4640         (scale_bbs_frequencies_int): Watch roundoff errors.
4641         * predict.c (return_prediction): Initialize return_stmt.
4642
4643 2005-07-16  Jan Hubicka  <jh@suse.cz>
4644
4645         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
4646         after RTL profiling.
4647
4648 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
4649
4650         PR middle-end/22398
4651         * fold-const.c (build_range_check): Convert high/low to etype
4652         if we are only comparing against exp.
4653
4654 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
4655
4656         Fix PR tree-optimization/22376
4657         * tree-ssa-structalias.c (build_constraint_graph): We really meant
4658         special var here.
4659         (need_to_solve): New function.
4660         (compute_points_to_sets): Use it.
4661
4662 2005-07-15  Jan Hubicka  <jh@suse.cz>
4663
4664         * cfg.c (update_bb_profile_for_threading): More diagnostic.
4665         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
4666
4667 2005-07-15  Richard Guenther  <rguenther@suse.de>
4668
4669         * c-common.c (handle_flatten_attribute): New function.
4670         Add flatten function attribute.
4671         * doc/extend.texi: Document flatten function attribute.
4672         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
4673         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
4674         New functions.
4675         (cgraph_decide_inlining): Handle functions with flatten
4676         attribute.
4677
4678 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
4679
4680         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
4681         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
4682         UNSPEC_XCHG, UNSPEC_AND): New.
4683         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
4684         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
4685         * config/rs6000/sync.md (FETCHOP): New code macro.
4686         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
4687         New code attrs.
4688         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
4689         (sync_compare_and_swap<mode>): Same.
4690         (sync_lock_test_and_set<mode>): Same.
4691         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
4692         for QImode and HImode, and not PPC405.
4693         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
4694         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
4695         (sync_<fetchop>{si,di}_internal): New.
4696         (sync_nand{si,di}_internal): New.
4697         (sync_old_<fetchop>{si,di}_internal): New.
4698         (sync_old_nand{si,di}_internal): New
4699         (sync_new_<fetchop>{si,di}_internal): New.
4700         (sync_new_nand{si,di}_internal): New.
4701         (atomic_and{si,di}): New.
4702         (sync_new_nand{si,di}_internal): New.
4703         (atomic_and{si,di}): New.
4704         (sync_add<mode>_internal): Delete.
4705         (sync_addshort_internal): Use unspec instead of unspec_volatile.
4706         (sync_sub<mode>_internal): Delte.
4707         (sync_subshort_internal): New.
4708         (sync_andsi_internal): Use unspec instead of unspec_volatile.
4709         (sync_anddi_internal): Delete.
4710         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
4711         (sync_booldi_internal): Delete.
4712         (sync_boolc<mode>_internal): Delete.
4713         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
4714         (sync_boolc<mode>_internal2): Delete.
4715         (sync_boolcc<mode>_internal): Delete.
4716         (isync, lwsync): Use unspec instead of unspec_volatile.
4717         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
4718         Revert UNSPEC_VOLATILE.
4719         (rs6000_split_atomic_op): New.
4720         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
4721
4722 2005-07-14  Eric Christopher  <echristo@redhat.com>
4723
4724         * config/mips/mips.c (mips_canonicalize_comparison): Cast
4725         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
4726
4727 2005-07-14  Eric Christopher  <echristo@redhat.com>
4728
4729         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
4730
4731 2005-07-14  Steven Bosscher  <stevenb@suse.de>
4732
4733         PR tree-optimization/22230
4734         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
4735         the computation of the four cross productions for "range op range".
4736
4737 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
4738             Ulrich Weigand  <uweigand@de.ibm.com>
4739
4740         PR target/20126
4741         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
4742         in some insn.
4743
4744 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
4745
4746         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
4747
4748 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
4749
4750         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
4751
4752 2005-07-14  Richard Guenther  <rguenther@suse.de>
4753
4754         PR middle-end/22347
4755         * config/i386/i386-protos.h (ix86_function_value): Change
4756         prototype to match new target hook.
4757         * config/i386/i386.c (ix86_value_regno): Change prototype
4758         to take extra type argument.
4759         (TARGET_FUNCTION_VALUE): Define.
4760         (ix86_function_ok_for_sibcall): Pass extra argument to
4761         ix86_value_regno, check return slot rtx for exact match.
4762         (ix86_function_value): Take extra parameter.  Dispatch to
4763         ix86_value_regno with fndecl/fntype as provided.
4764         (ix86_value_regno): Handle extra type argument.
4765         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
4766
4767         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
4768         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
4769         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
4770         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
4771         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
4772
4773 2005-07-14  Richard Guenther  <rguenther@suse.de>
4774
4775         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
4776         * calls.c (expand_call): Pass fntype to hard_function_value.
4777         (emit_library_call_value_1): Likewise.
4778         * explow.c: Include target.h.
4779         (hard_function_value): Take extra argument, the fntype.
4780         Use new target hook for function_value.
4781         * expr.h (hard_function_value): Change prototype.
4782         * function.c (aggregate_value_p): Pass 0 as fntype to
4783         hard_function_value.
4784         (assign_parms): Use new target hook for function_value.
4785         Pass 0 as fntype to hard_function_value.
4786         (expand_function_end): Likewise.
4787         * reg-stack.c: Include target.h.
4788         (stack_result): Use new target hook for function_value.
4789         * target-def.h: New target hook function_value.
4790         * target.h: Likewise.
4791         * targhooks.c (default_function_value): New function.
4792         * targhooks.h (default_function_value): Declare.
4793
4794 2005-07-13  Ian Lance Taylor  <ian@airs.com>
4795
4796         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4797
4798 2005-07-14  Jan Hubicka  <jh@suse.cz>
4799
4800         * tree-dfa.c (dump_variable): Use default_def function.
4801         * tree-ssa-alias.c (dump_points_to_info): Likewise.
4802         * tree-ssa.c (verify_use): Likewise.
4803         * tree-ssanames.c (release_ssa_name): Likewise.
4804         * tree-tailcall.c (eliminate_tail_call): Likewise.
4805         (tree_optimize_tail_calls_1): Likewise.
4806         * tree-vrp.c (get_value_range): Likewise.
4807
4808 2005-07-14  Ben Elliston  <bje@au.ibm.com>
4809
4810         * gcc.c (main): Compare language[0] with '*' when iterating over
4811         the infiles.
4812
4813 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
4814
4815         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
4816         "s390_emit_compare".  Add handling of CCZ1mode.
4817         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
4818         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
4819         checking.
4820         (s390_branch_condition_mask): Add CCZ1mode handling.
4821         * config/s390/s390.md: ("seq", "*seq"): New pattern.
4822         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
4823         Use CCZ1mode instead of CCZmode.
4824         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
4825
4826 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
4827
4828         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
4829         pattern.
4830         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
4831
4832 2005-07-13  Eric Christopher  <echristo@redhat.com>
4833
4834         * config/mips/mips.c (mips_canonicalize_comparison): New.
4835         (mips_emit_int_relational): Use.
4836
4837 2005-07-13  Eric Christopher  <echristo@redhat.com>
4838
4839         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
4840         static extra parts.
4841         * config/s390/s390.md: Include tpf.md. Move tpf specific
4842         patterns...
4843         * config/s390/tpf.md: To here.
4844         * config/s390/s390.opt: Move tpf specific options...
4845         * config/s390/tpf.opt: to here. Add mmain option.
4846         * config/s390/tpf-unwind.h: Remove unnecessary defines.
4847         * config/s390/tpf.h: Rewrite.
4848
4849 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
4850
4851         * doc/tm.texi: Remove @xref{Cross-profiling}.
4852
4853 2005-07-13  Jeff Law  <law@redhat.com>
4854
4855         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
4856         expressions, test their _DECL operands for pointer equality rather
4857         than using operand_equal_p.
4858
4859 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
4860
4861         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
4862         (TARGET_POSIX_IO): This.
4863         * config/darwin.h: Likewise.
4864         * config/freebsd.h: Likewise.
4865         * config/linux.h: Likewise.
4866         * config/lynx.h: Likewise.
4867         * config/netbsd.h: Likewise.
4868         * config/rs6000/linux64.h: Likewise.
4869         * config/rs6000/linux.h: Likewise.
4870         * config/s390/tpf.h: Likewise.
4871         * config/sh/embed-elf.h: Likewise.
4872         * config/sparc/linux64.h: Likewise.
4873         * config/sparc/linux.h: Likewise.
4874         * config/svr4.h: Likewise.
4875         * gcov-io.h: Likewise.
4876
4877         * doc/tm.texi: Updated.
4878
4879         * libgcov.c (create_file_directory): Defined only if
4880         TARGET_POSIX_IO is defined.
4881         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
4882         is defined.
4883
4884 2005-07-13  Jan Hubicka  <jh@suse.cz>
4885
4886         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
4887
4888 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
4889
4890         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
4891         structure as argument.
4892
4893 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
4894
4895         PR tree-optimization/21921
4896         * tree-iterator.c (tsi_link_before): Support the case when
4897         tsi_end_p (tsi) == true.
4898
4899 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
4900
4901         PR tree-optimization/22442
4902         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
4903         correctly.
4904
4905 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
4906
4907         PR rtl-optimization/20376
4908         * toplev.c (process_options): Enable -fweb and -frename-registers when
4909         unrolling.
4910         * doc/invoke.texi: Update the information about when -fweb and
4911         -frename-registers are enabled.
4912
4913 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
4914
4915         PR tree-opt/21840
4916         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
4917         if *rhs_p is not a SSA_NAME.
4918
4919 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
4920
4921         Fix PR tree-optimization/22422
4922         * tree-ssa-structalias.c (struct variable_info): Add flag for
4923         special vars.
4924         (get_varinfo): Now a static function.
4925         (new_varinfo): init has_union and is_special_var to false.
4926         (solution_set_add): Check has_union.
4927         (do_da_constraint): Move temporary variable so it gets reset
4928         properly.
4929         Also check for special variable.
4930         (do_ds_constraint): Ditto.
4931         (do_sd_constraint): Ditto.
4932         (do_structure_copy): Check for special variable.
4933         (find_func_aliases): Ditto.
4934         (init_base_vars): Set special vars properly.
4935
4936 2005-07-13  Jan Hubicka  <jh@suse.cz>
4937
4938         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
4939         do unit-at-a-time.
4940
4941         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
4942         (get_expr_operands): Fix thinko wrt flags and subvars.
4943
4944         PR tree-optimize/22379
4945         * tree-inline.c (expand_call_inline): Do not output sorry in early
4946         inlining.
4947
4948 2005-07-12  Dale Johannesen  <dalej@apple.com>
4949
4950         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
4951
4952 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
4953
4954         PR bootstrap/21704
4955         * host-linux.h: Include limits.h.
4956
4957 2005-07-12  Dale Johannesen  <dalej@apple.com>
4958
4959         * expr.c (compress_float_constant):  Add cost check.
4960         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
4961
4962 2005-07-12  Dale Johannesen  <dalej@apple.com>
4963
4964         * gcc.target/i386/compress-float-sse.c:  New.
4965         * gcc.target/i386/compress-float-sse-pic.c:  New.
4966         * gcc.target/i386/compress-float-387.c:  New.
4967         * gcc.target/i386/compress-float-387-pic.c:  New.
4968         * gcc.dg/compress-float-ppc.c:  New.
4969         * gcc.dg/compress-float-ppc-pic.c:  New.
4970
4971 2005-07-12  Eric Christopher  <echristo@redhat.com>
4972
4973         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
4974         static extra parts.
4975         * config/s390/s390.md: Include tpf.md. Move tpf specific
4976         patterns...
4977         * config/s390/tpf.md: To here.
4978         * config/s390/s390.opt: Move tpf specific options...
4979         * config/s390/tpf.opt: to here. Add mmain option.
4980         * config/s390/tpf-unwind.h: Remove unnecessary defines.
4981         * config/s390/tpf.h: Rewrite.
4982
4983 2005-07-12  Eric Christopher  <echristo@redhat.com>
4984
4985         * gcc.c (struct infile): Update comment for language.
4986         (main): Rewrite input file resetting code.
4987
4988 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
4989
4990         PR tree-opt/22335
4991         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
4992         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
4993         (lookup_avail_expr): Use constant_boolean_node instead
4994         of boolean_false_node/boolean_true_node.
4995
4996 2005-07-12  Ben Elliston  <bje@au.ibm.com>
4997
4998         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
4999         and use it when printing num_edges.
5000
5001 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5002
5003         * doc/extend.texi (Blackfin Built-in Functions): New section.
5004         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
5005         @opindex.
5006
5007 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
5008
5009         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
5010         s/cmpstrsi/cmpstrnsi
5011         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
5012         'cmpstrnsi'.
5013         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
5014         (init_optabs): Initialize cmpstrn_optab.
5015         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
5016         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
5017         * expr.c: (enum insn_code cmpstrn_optab): Declare.
5018         * config/i386/i386.md: s/cmpstr/cmpstrn
5019         * config/c4x/c4x.md: s/cmpstr/cmpstrn
5020         * doc/md.texi: Update documentation.
5021
5022 2005-07-11  Richard Henderson  <rth@redhat.com>
5023
5024         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
5025         build_va_arg_indirect_ref.
5026         (alpha_gimplify_va_arg): Likewise.
5027         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
5028         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
5029         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
5030         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
5031         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
5032         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
5033         Likewise.
5034         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
5035
5036 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
5037
5038         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
5039         * passes.c (init_optimization_passes): Add pass_empty_loop.
5040         * tree-pass.h (pass_empty_loop): Declare.
5041         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
5042         try_remove_empty_loop, remove_empty_loops): New functions.
5043         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
5044         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
5045
5046 2005-07-12  Peter Barada  <peter@the-baradas.com>
5047
5048         PR middle-end/16719
5049         PR middle-end/18421
5050         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
5051         in address registers.
5052         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
5053         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
5054         alternative of addsi3_5200.
5055
5056 2005-07-11  Ian Lance Taylor  <ian@airs.com>
5057
5058         * config/mips/mips.md (ffs<mode>2): Remove.
5059
5060 2005-07-11  Ian Lance Taylor  <ian@airs.com>
5061
5062         * doc/tree-ssa.texi (Cleanups): Improve description of
5063         TRY_FINALLY_EXPR.
5064         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
5065
5066 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
5067
5068         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
5069         * tree.h (DECL_ARGUMENT_FLD): New macro.
5070
5071 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
5072
5073         Fix PR tree-optimization/22404
5074
5075         * tree-ssa-structalias.c (create_variable_info_for): Use
5076         correct offset.
5077
5078 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5079
5080         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
5081         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
5082         for second comparison operand.
5083         * config/bfin/predicates.md (reg_or_const_int_operand): New.
5084
5085         * config/bfin/bfin.md (define_attr "type"): Add "sync".
5086         (define_insn_reservation "alu"): Likewise.
5087         (csync, ssync): Now of type sync.
5088         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
5089         -mcsync-anomaly -mspecld-anomaly.
5090         * config/bfin/bfin.opt (mcsync): Remove.
5091         (mcsync-anomaly, mspecld-anomaly): Add.
5092         * config/bfin/bfin.c: Include "insn-codes.h".
5093         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
5094         (TARGET_DEFAULT_TARGET_FLAGS): New.
5095         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
5096
5097 2005-07-11  Steven Bosscher  <stevenb@suse.de>
5098
5099         * basic-block.h: Give the BB flags enum a name, bb_flags.
5100         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
5101         * cfgcleanup.c (enum bb_flags): Remove here.
5102         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
5103         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
5104         (update_forwarder_flag): Likewise.
5105         (thread_jump): Likewise.
5106         (try_forward_edges): Likewise.
5107         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
5108         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
5109         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
5110
5111 2005-07-11  Richard Guenther  <rguenther@suse.de>
5112
5113         * config/i386/i386.opt: New target option -msseregparm.
5114         * config/i386/i386.c (override_options): Error out for
5115         -msseregparm but no SSE support.
5116         (ix86_function_sseregparm): Check for global sseregparm.
5117         * doc/invoke.texi: Document -msseregparm.
5118
5119 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5120
5121         * config.gcc (m32r-*-linux*): Use the default extra_parts.
5122         (m32rle-*-linux*): Ditto.
5123
5124 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
5125
5126         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
5127         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
5128         bytes.
5129
5130 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5131
5132         PR middle-end/22239
5133         PR target/20126
5134         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
5135         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
5136
5137 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
5138
5139         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
5140         (varmap): Heapify varmap.
5141         (constraints): Heapify constraints.
5142         (struct constraint_graph): Heapify succs and preds.
5143         (constraint_vec_find): Update for heapification.
5144         (constraint_set_union): Ditto.
5145         (insert_into_complex): Ditto.
5146         (constraint_edge_vec_find): Ditto.
5147         (erase_graph_self_edge): Ditto.
5148         (add_graph_edge): Ditto.
5149         (get_graph_weights): Ditto.
5150         (merge_graph_nodes): Ditto.
5151         (build_constraint_graph): Ditto.
5152         (topo_visit): Ditto.
5153         (solve_graph): Ditto.
5154         (create_variable_info_for): Ditto.
5155         (init_base_vars): Ditto.
5156         (delete_points_to_sets): Free graph, varmap, and complex constraints.
5157         (condese_varmap_nodes): Free complex vector.
5158         (clear_edges_for_node): Clear succs and preds vector.
5159
5160 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
5161
5162         * tree-ssa-structalias.c (update_alias_info): Change counting of
5163         references to not include vdefs.
5164
5165 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
5166
5167         * tree-ssa-alias.c (free_used_part_map): Add missing free.
5168         (up_insert): Ditto.
5169
5170 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5171
5172         * pa.c (pa_commutative_p): Make PLUS commutative when
5173         TARGET_NO_SPACE_REGS is true.
5174
5175 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
5176
5177         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
5178         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
5179         * tree-dfa.c (dump_subvars_for): New.
5180         (debug_subvars_for): New.
5181         (dump_variable): Show subvariables if VAR has them.
5182         * tree-flow-inline.h (get_subvar_at): New.
5183         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
5184         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
5185         Update all users.
5186         (struct subvar): Change fields offset and size to unsigned
5187         HOST_WIDE_INT.
5188         (dump_subvars_for): Declare.
5189         (debug_subvars_for): Declare.
5190         (get_subvar_at): Declare.
5191         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
5192         to unsigned HOST_WIDE_INT *.
5193         (overlap_subvar): Likewise.
5194         * tree-gimple.c (is_gimple_reg): Always return false for
5195         SFTs and memory tags.
5196         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
5197         Update all callers.
5198         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
5199         (compute_may_aliases): Call compute_points_to_sets.
5200         (collect_points_to_info_for): Remove.
5201         (compute_points_to_and_addr_escape): Remove.
5202         (delete_alias_info): Call delete_points_to_sets.
5203         (compute_flow_sensitive_aliasing): If the call to
5204         find_what_p_points_to returns false, call set_pt_anything.
5205         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
5206         (set_pt_anything): Clear pi->pt_vars.
5207         (set_pt_malloc): Remove.
5208         (merge_pointed_to_info): Remove.
5209         (add_pointed_to_expr): Remove.
5210         (add_pointed_to_var): Remove.
5211         (collect_points_to_info_r): Remove.
5212         (is_escape_site): Make extern.
5213         (create_sft): New.
5214         (create_overlap_variables_for): Call it.
5215         * tree-ssa-copy.c (merge_alias_info): Never merge
5216         flow-sensitive alias information.
5217         * tree-ssa-operands.c (get_expr_operands): Adjust variables
5218         offset and size to be unsigned HOST_WIDE_INT.
5219         (add_to_addressable_set): Rename from note_addressable.
5220         Set TREE_ADDRESSABLE as the variables are added to the set.
5221         Update all users.
5222         (add_stmt_operand): Do not try to micro-optimize unmodifiable
5223         operands into VUSEs when adding V_MAY_DEFs for members in an
5224         alias set.
5225         * tree-ssa-operands.h (add_to_addressable_set): Declare.
5226         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
5227         (struct variable_info): Add bitfield is_heap_var.
5228         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
5229         (new_var_info): Initialize is_heap_var.
5230         (get_constraint_for): Add HEAP variables to the symbol table.
5231         Mark them with is_heap_var.
5232         (update_alias_info): New.  Taken mostly from the old
5233         compute_points_to_and_addr_escape.
5234         (handle_ptr_arith): New.
5235         (find_func_aliases): Call update_alias_info.
5236         Call handle_ptr_info for tcc_binary expressions.
5237         Call mark_stmt_modified.
5238         (create_variable_info_for): If DECL has subvars, do not create
5239         variables for its subvars.  Always add all the fields.
5240         (set_uids_in_ptset): If the solution includes ANYOFFSET and
5241         SFTs, then add all the SFTs of the structure.
5242         If VI->DECL is an aggregate with subvariables, add the SFT at
5243         VI->OFFSET.
5244         (find_what_p_points_to): If VI is an artificial variable,
5245         translate to bitfields in SSA_NAME_PTR_INFO.
5246         If the solution is empty, set pi->pt_vars to NULL
5247         (init_base_vars): Create ANYOFFSET.
5248         (compute_points_to_sets): Rename from create_alias_vars.
5249         Make extern.
5250         (pass_build_pta): Remove.
5251         (delete_points_to_sets): Rename from delete_alias_vars.
5252         (pass_del_pta): Remove.
5253         * tree-ssa-structalias.h (struct alias_info): Move from
5254         tree-ssa-alias.h.
5255         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
5256         NUM_REFERENCES_SET): Likewise.
5257         (compute_points_to_sets, delete_points_to_sets): Declare.
5258
5259 2005-07-09  Richard Henderson  <rth@redhat.com>
5260
5261         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
5262         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
5263         alpha_split_lock_test_and_set_12): New functions.
5264         * config/alpha/alpha-protos.h: Update.
5265         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
5266         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
5267         * config/alpha/sync.md (I12MODE): New.
5268         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
5269         (sync_<fetchop_name><I48MODE>): Likewise.
5270         (sync_nand<I48MODE>): Likewise.
5271         (sync_old_<fetchop_name><I48MODE>): Likewise.
5272         (sync_new_<fetchop_name><I48MODE>): Likewise.
5273         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
5274         (sync_compare_and_swap<I48MODE>): Likewise.
5275         (sync_lock_test_and_set<I48MODE>): Likewise.
5276         (sync_compare_and_swap<I12MODE>): New.
5277         (sync_compare_and_swap<I12MODE>_1): New.
5278         (sync_lock_test_and_set<I12MODE>): New.
5279         (sync_lock_test_and_set<I12MODE>_1): New.
5280
5281 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
5282
5283         PR 21356
5284         PR 22332
5285         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
5286
5287 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
5288
5289         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
5290         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
5291
5292 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
5293
5294         PR target/21656
5295         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5296
5297 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
5298
5299         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
5300         memory_operand constraint.
5301         (store_conditional_<mode>): Same.
5302         (sync_compare_and_swap<mode>): Same.
5303         (sync_lock_test_and_set<mode>): Same.
5304
5305 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
5306
5307         Rewrite PIC support to more closely model actual instructions.
5308         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
5309         (cris_symbol): Remove prototypes for removed functions.
5310         (cris_pic_symbol_type_of, cris_valid_pic_const)
5311         (cris_expand_pic_call_address): Prototypes for new functions.
5312         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
5313         variable.
5314         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
5315         modifiers.
5316         <case ':'>: Add case for new punctuation character.
5317         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
5318         emitting (extra) PIC modifier.
5319         <case UNSPEC>: Do not assert for PLT.
5320         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
5321         (cris_expand_prologue, cris_expand_epilogue): Check
5322         for pic_offset_table_rtx usage instead of taking
5323         current_function_uses_pic_offset_table as the final word.
5324         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
5325         Remove flag_pic difference.
5326         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
5327         the moral equivalents of...
5328         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
5329         functions.
5330         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
5331         (cris_handle_option): Mark ARG as unused.
5332         (cris_expand_pic_call_address): New worker function for "call",
5333         "call_value".
5334         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
5335         output PIC constructs here.
5336         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
5337         as symbol-specific modifers, not whole or part of operands.
5338         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
5339         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
5340         constants and flag_pic.
5341         (CONSTANT_INDEX_P): Adjust for new functions.
5342         (enum cris_pic_symbol_type): New helper type.
5343         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
5344         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
5345         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
5346         define_constants.
5347         ("movsi"): Emit actual instructions for GOT and relative access.
5348         ("*movsi_got_load"): New pattern to set up the register holding
5349         the GOT pointer.
5350         ("*movsi_internal"): Operand 1 is not a plain general_operand.
5351         Adjust FIXME for 'S'.
5352         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
5353         Use "movs" for -fpic cases.
5354         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
5355         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
5356         ("call", "call_value"): Just call cris_expand_pic_call_address for
5357         PIC addresses.
5358         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
5359         Remove special pattern.
5360         ("*expanded_call_side", "*expanded_call_value_side"): New
5361         patterns.
5362         (gotplt-to-plt, gotplt-to-plt-side-call)
5363         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
5364         peephole2:s.
5365         * config/cris/cris/predicates.md
5366         ("cris_general_operand_or_gotless_symbol"): Remove unused
5367         predicate.
5368         ("cris_general_operand_or_symbol"): Adjust for new functions.
5369
5370 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5371
5372         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
5373
5374 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
5375
5376         * Makefile.in (TREE_H): Add treestruct.def.
5377         (c-decl.o): Add pointer-set.h
5378         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
5379         visibility on regular DECL's.
5380         (merge_decls): Fix the copying of decl nodes of various types for
5381         the new structures.  Don't update RTL, section name, weak status,
5382         etc, on DECL's without RTL.
5383         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
5384         Don't check volatile on non-variable types.
5385         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
5386         to check whether we have seen arguments.
5387         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
5388         flag is checked before field (flag is common, field is not).
5389         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
5390         TS_DECL_COMMON could have an origin.
5391         (add_location_or_const_value_attribute): Don't check section name
5392         on non-var/function decls.
5393         (dwarf2out_var_location): Reverse order of tests.
5394         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
5395         with DECL_WRTL_CHECK.
5396         * expmed.c (make_tree): rtl is now in decl_with_rtl.
5397         * fold-const.c (fold_binary): Don't check weakness on
5398         non-var/function decls.
5399         (tree_expr_nonzero_p): Ditto.
5400         (fold_checksum_tree): Use tree_decl_extra as sizeof
5401         buffer.
5402         * ggc-page.c (extra_order_size_table): Add sizes for
5403         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
5404         tree_field_decl.
5405         * gimplify.c (gimplify_bind_expr): Only set
5406         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
5407         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
5408         without RTL.
5409         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
5410         * langhooks.h (init_ts). New langhook.
5411         * passes.c (rest_of_decl_compilation): Reverse order of tests.
5412         * print-tree.c (print_node): Update to only print fields that
5413         exist in the structures the passed decl has.
5414         * toplev.c (wrapup_global_declarations): Don't reset
5415         DECL_DEFER_OUTPUT on DECL's that don't contain it.
5416         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
5417         * tree-inline.c (remap_decl): Ditto.
5418         * tree-outof-ssa.c (create_temp): Reverse order of tests.
5419         * tree-pretty-print.c (print_declaration): Don't print
5420         DECL_REGISTER on things that don't contain it.
5421         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
5422         non-var/function decls.
5423         * tree.c (tree_contains_struct): New structure.
5424         (init_priority_for_decl): New hashtable.
5425         (tree_int_map): New structure.
5426         (tree_int_map_eq): New function.
5427         (tree_int_map_marked_p): Ditto.
5428         (tree_int_map_hash): Ditto.
5429         (tree_map): Move to tree.h.
5430         (tree_map_eq): Externalize.
5431         (tree_map_hash): Ditto.
5432         (tree_map_marked_p): Ditto.
5433         (init_ttree): Set up tree_contains_struct and call langhook.
5434         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
5435         (tree_code_size): Update for new structures.
5436         (tree_node_structure): Update for new structures.
5437         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
5438         without the field.
5439         (copy_node_stat):  Copy init priority.
5440         (build_decl_stat): Ditto for visibility.
5441         (ts_enum_names): New.
5442         (tree_contains_struct_check_failed): New function.
5443         (decl_init_priority_lookup): Ditto.
5444         (decl_init_priority_insert): Ditto.
5445         * treestruct.def: New file.
5446         * tree.h (CODE_CONTAINS_STRUCT): New macro.
5447         (CONTAINS_STRUCT_CHECK): Ditto.
5448         (tree_contains_struct_check_failed): New prototype.
5449         (DECL_CHECK): Removed.
5450         (DECL_MINIMAL_CHECK): New.
5451         (DECL_COMMON_CHECK): Ditto.
5452         (DECL_WRTL_CHECK): Ditto.
5453         (DECL_NON_COMMON_CHECK): Ditto.
5454         (DECL_WITH_VIS_CHECK): Ditto.
5455         (VAR_OR_FUNCTION_DECL_P): Ditto
5456         (struct tree_decl_minimal): New structure.
5457         (struct tree_decl_common): Ditto.
5458         (struct tree_decl_with_rtl): Ditto.
5459         (struct tree_decl_with_vis): Ditto.
5460         (struct tree_decl_non_common): Ditto.
5461         (struct tree_field_decl): Ditto.
5462         (struct tree_parm_decl): Ditto.
5463         (struct tree_var_decl): Ditto.
5464         (struct tree_function_decl): Ditto.
5465         (struct tree_const_decl): Ditto.
5466         (struct tree_result_decl): Ditto.
5467         (union tree_node): Add new structures.
5468         * var-tracking.c (track_expr_p): Reverse order of tests.
5469
5470         * doc/c-tree.texi: Add documentation on DECL node internal structure.
5471
5472 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
5473
5474         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
5475         * system.h: Poison FINALIZE_PIC.
5476         * doc/tm.texi (FINALIZE_PIC): Remove.
5477
5478 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5479
5480         PR tree-opt/22329
5481         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
5482         to the correct type if we have a MODIFY_EXPR.
5483
5484 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
5485
5486         PR tree-optimization/22360
5487         * tree.c (upper_bound_in_type): Fix calculations for casting
5488         to a non-wider signed type and casting a signed value to a
5489         wider unsigned type.
5490         (lower_bound_in_type): Fix calculations for casting to a
5491         non-wider signed type.
5492
5493         PR tree-optimization/20139
5494         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
5495         release_defs.
5496         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
5497         fold_cond_expr_cond.
5498         * tree-ssanames.c (release_defs): Assert in_ssa_p.
5499         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
5500
5501 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5502
5503         PR tree-opt/22356
5504         * tree-complex.c (expand_complex_libcall): Produce
5505         REALPART_EXPR/IMAGPART_EXPR with the correct type.
5506
5507 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
5508
5509         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
5510         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
5511         b" assert and inserted fastpath code for this case.
5512         (bitmap_ior): Removed "a != b" assert.
5513
5514 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5515
5516         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
5517         (ENDFILE_SPEC): Likewise.
5518         * config/m32r/m32r.h (ASM_SPEC): Likewise.
5519
5520         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
5521         a large stack frame at epilogue.
5522
5523 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
5524
5525         * final.c: Include sdbout.h when required.
5526
5527 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
5528
5529         * config.gcc (*-*-darwin*): Only one target-specific header file
5530         for generic darwin.
5531         (powerpc-*-darwin*): Add version-specific header files.
5532         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
5533         * config.in: Regenerate.
5534         * configure: Regenerate.
5535         * gcc.c: Include xregex.h.
5536         (version_compare_spec_function): New.
5537         (spec_function): Add version-compare.
5538         (replace_outfile_spec_function): Reformat comment.
5539         (compare_version_strings): New.
5540         * config/darwin-c.c (version_as_macro): New.
5541         (builtin_define): New.
5542         (darwin_cpp_builtins): New.
5543         * config/darwin-protos.h (darwin_cpp_builtins): New.
5544         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
5545         (LIB_SPEC): Make unconditional, update comment.
5546         (TARGET_C99_FUNCTIONS): Define.
5547         * config/darwin.opt: Sort.
5548         (mmacosx-version-min=): New.
5549         * config/darwin7.h: Delete.
5550         * config/darwin8.h: Delete.
5551         * config/i386/darwin.h (): Call darwin_cpp_builtins.
5552         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
5553         (TARGET_C99_FUNCTIONS): Define.
5554         * config/rs6000/darwin7.h: New.
5555         * config/rs6000/darwin8.h: New.
5556         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
5557         (-mmacosx-version-min): Document.
5558
5559 2005-07-07  Ian Lance Taylor  <ian@airs.com>
5560
5561         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
5562
5563 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
5564
5565         PR middle-end/22239
5566         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
5567
5568 2005-07-07  Khem Raj  <kraj@mvista.com>
5569
5570         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
5571         in bytes, not words.
5572
5573 2005-07-07  Paul Brook  <paul@codesourcery.com>
5574
5575         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
5576         DEFAULT_FUNCTION_ARG_PADDING to upward.
5577
5578 2005-07-07  Richard Henderson  <rth@redhat.com>
5579
5580         * function.c (locate_and_pad_parm): Record parameter alignment in
5581         stack_alignment_needed.
5582
5583 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
5584
5585         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
5586         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
5587         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
5588         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
5589         (define_attr "type"): Add isync, sync, load_l, store_c.
5590         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
5591         Create scratch volatile MEM.
5592         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
5593         sync.
5594         (load_locked_<mode>): New.
5595         (store_conditional_<mode>): New.
5596         (sync_compare_and_swap<mode>): Replace with splitter.
5597         (sync_lock_test_and_set<mode>): Replace with splitter.
5598         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
5599         and UNSPECV_ISYNC.
5600         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
5601         is ics.  Attribute isync.
5602         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
5603         lwsync.
5604         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
5605         and UNSPECV_SYNC_OP.
5606         (emit_unlikely_jump): New.
5607         (emit_load_locked): New.
5608         (emit_store_conditional): New.
5609         (rs6000_split_compare_and_swap): New.
5610         (rs6000_split_lock_test_and_set): New.
5611         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
5612         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
5613         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
5614         rs6000_split_lock_test_and_set): Declare.
5615         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
5616         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
5617         store_c, isync, sync.
5618
5619 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
5620
5621         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
5622         filenames to gtyp-gen.h.
5623         (s-typ-gen): Use it in place of for loops.
5624
5625 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
5626
5627         * hooks.c (hook_bool_rtx_int_false): New function.
5628         * hooks.h (hook_bool_rtx_int_false): Declare.
5629         * target-def.h (TARGET_COMMUTATIVE_P): Define.
5630         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
5631         * target.h (struct gcc_target): Add commutative_p member.
5632         * targhooks.c (hook_bool_rtx_commutative_p): New function.
5633         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
5634         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
5635         (pa_commutative_p): New function.
5636         * jump.c (target.h): Include.
5637         (rtx_renumbered_equal_p): Use targetm.commutative_p.
5638         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
5639
5640 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5641
5642         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
5643         (s390_expand_setmem): New.
5644         * config/s390/s390.c: Likewise.
5645         (print_shift_count_operand): Truncate to 12 bits instead of 6.
5646         Adapt comments.
5647         * config/s390/s390.md: ("setmem<mode>"): Accept character as
5648         general_operand.  Call new function "s390_expand_setmem".
5649         ("clrmem_long", "*clrmem_long"): Rewrite to ...
5650         ("setmem_long", "*setmem_long"): ... this.
5651
5652 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5653
5654         * config/s390/s390.c: (optimization_options): Enable
5655         TARGET_MVCLE at -Os.
5656         * doc/invoke.texi: Document changes in default behaviour.
5657         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
5658
5659 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5660
5661         * expr.c: (set_storage_via_setmem): Convert opchar to mode
5662         defined by back-end.
5663
5664 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
5665
5666         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
5667         all sets in the pattern.
5668         * config/rs6000/rs6000.md (stack_protect_testsi,
5669         stack_protect_testdi): Likewise.
5670
5671 2005-07-06  Jeff Law  <law@redhat.com>
5672
5673         * tree-vrp.c (simplify_using_ranges): Kill.
5674         (vrp_finalize): Remove call to simplify_using_ranges.
5675         (simplify_stmt_using_ranges): New function extracted from
5676         simplify_using_ranges.
5677         (simplify_div_or_mod_using_ranges): Likewise.
5678         (simplify_abs_using_ranges): Likewise.
5679         (simplify_cond_using_ranges): New function.
5680         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
5681         * tree-ssa-propagate.c (substitute_and_fold): Call
5682         simplify_stmt_using_ranges if we have range information.
5683
5684 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
5685
5686         * config/ia64/ia64.c (ia64_reorg): Check optimize before
5687         ia64_flag_schedule_isns2.
5688
5689         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
5690         reading/writing general registers.
5691         (ia64_function_arg): Revert 2005-06-18 change.
5692
5693 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
5694
5695         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
5696         (legitimize_tls_address): Use gcc_unreachable instead of abort.
5697
5698 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
5699
5700         * function.c (expand_function_end): Revert part of 2005-06-27
5701         patch.  Do sjlj_emit_function_exit_after after return_label.
5702
5703 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
5704
5705         * doc/install.texi (--disable-libssp): New.
5706
5707 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
5708
5709         * doc/invoke.texi: Update -fforce-mem documentation.
5710         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
5711         code for -fforce-mem.
5712         * expmed.c: (store_bit_field,store_fixed_bit_field,
5713         extract_bit_field): Ditto.
5714         * expr.c: (convert_move): Ditto.
5715         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
5716         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
5717         emit_conditional_add,expand_float,expand_fix): Ditto.
5718         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
5719         (common_handle_option): Issue warning when -fforce-mem specified.
5720
5721 2005-07-06  Paul Brook  <paul@codesourcery.com>
5722
5723         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
5724         argument is empty.
5725         * configure: Regenerate.
5726
5727 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
5728
5729         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
5730
5731 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
5732
5733         Fix PR tree-optimization/22319
5734         Fix PR tree-optimization/22140
5735         Fix PR tree-optimization/22310
5736
5737         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
5738         variable sized types.
5739         Use correct type for intermediate structure on *a = *b structure
5740         copies.
5741
5742 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
5743
5744         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
5745         Remove.
5746         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
5747         (machine_function): Move typedef to...
5748         * config/rs6000/rs6000.c (machine_function): ... here.  Add
5749         varargs_save_offset field.
5750         (rs6000_stack_t): Remove varargs_size field.
5751         (setup_incoming_varargs): Allocate varargs save area using
5752         assign_stack_local, try to make it as small as possible.
5753         Save offset from virtual_stack_vars_rtx to the save area
5754         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
5755         instead of magic 8 when fp word byte size is used.
5756         (rs6000_va_start): Use cfun->machine->varargs_save_offset
5757         instead of -RS6000_VARARGS_SIZE.
5758         (rs6000_stack_info, debug_stack_info,
5759         rs6000_initial_elimination_offset): Remove all traces of
5760         varargs_size.
5761         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
5762         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
5763         RS6000_VARARGS_AREA.
5764
5765 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
5766
5767         PR tree-optimization/21963
5768         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
5769         constant_multiple_of in the same way get_computation_cost_at does.
5770
5771 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
5772
5773         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
5774         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
5775         (gen_compare_reg): If sparc_compare_emitted is set, clear it
5776         and return its previous value.
5777         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
5778         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
5779         constants.
5780         (stack_protect_set, stack_protect_test): New expanders.
5781         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
5782         stack_protect_testdi): New insns.
5783         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5784         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
5785
5786 2005-07-06  Jeff Law  <law@redhat.com>
5787
5788         * tree-ssa-dce.c (cfg_altered): New global.
5789         (tree_dce_init): Initialize cfg_altered.
5790         (remove_dead_stmt): If we remove an edge in the CFG, then set
5791         CFG_ALTERED.
5792         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
5793         the dominators.
5794
5795 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
5796
5797         * Makefile.in (stamp-collect-ld): Use
5798         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
5799         ./collect-ld if it already exists.
5800         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
5801         Don't remove ./nm if it already exists.
5802
5803 2005-07-05  Devang Patel  <dpatel@apple.com>
5804
5805         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
5806         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
5807         * tree-vectorizer.c (vect_loop_location): New.
5808         (vect_print_dump_info): Use vect_loop_location.
5809         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
5810         (vectorize_loops): Set vect_loop_location.
5811         * tree-vect-analyze.c (vect_analyze_offset_expr,
5812         vect_determin_vectorization_factor, vect_analyze_operations,
5813         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
5814         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
5815         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
5816         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
5817         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
5818         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
5819         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
5820         vect_analyze_loop): Adjust vect_print_dump_info API.
5821         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5822         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
5823         vect_finish_stmt_generation, vectorizable_assignment,
5824         vectorizable_operation, vectorizable_store, vectorizable_load,
5825         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
5826         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
5827         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
5828         vect_transform_loop): Same.
5829         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
5830         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
5831         Same.
5832
5833 2005-07-05  Randolph Chung  <tausq@debian.org>
5834
5835         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
5836         * configure: Regenerate.
5837         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
5838         (pa_tls_referenced_p): Declare.
5839         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
5840         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
5841         (legitimize_tls_address): New.
5842         (hppa_legitimize_address): Handle TLS addresses.
5843         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
5844         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5845         (emit_move_sequence): Handle TLS addresses.
5846         (pa_encode_section_info): Call default handler to handle common
5847         sections.
5848         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
5849         (CONSTANT_ADDRESS_P): Reject TLS operands.
5850         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
5851         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
5852         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
5853         (UNSPEC_TLSLE): Define new constants.
5854         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
5855         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
5856         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
5857         (tie_symbolic_operand, tle_symbolic_operand): New
5858
5859 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
5860
5861         * aclocal.m4: Update macros for autoconf 2.59 style.
5862         * configure.ac: Likewise.
5863
5864 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5865
5866         * pa.c (function_value): Handle small aggregates on 32-bit targets.
5867         (function_arg): Pass small aggregates in general registers on 32-bit
5868         targets.
5869         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
5870
5871 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
5872
5873         * Makefile.in (final.o): Fix dependencies.
5874
5875 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
5876
5877         PR c/22013
5878         PR c/22098
5879         * langhooks.h (struct lang_hooks): Add expr_to_decl.
5880         * langhooks.c (lhd_expr_to_decl): New.
5881         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
5882         New.
5883         (LANG_HOOKS_INITIALIZER): Update.
5884         * tree.c (recompute_tree_invarant_for_addr_expr): Call
5885         expr_to_decl langhook.
5886         * c-tree.h (c_expr_to_decl): Declare.
5887         * c-typeck.c (c_expr_to_decl): New.
5888         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
5889         specially.
5890         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
5891
5892 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
5893
5894         PR c/22308
5895         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
5896         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
5897
5898 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
5899
5900         * Makefile.in: Adjust dependencies.
5901         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
5902         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
5903         * alias.c (rest_of_handle_cfg, pass_cfg): New.
5904         * bb-reorder.c (duplicate_computed_gotos): Make it static.
5905         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
5906         rest_of_compilation.
5907
5908         * bb-reorder.c (gate_duplicate_computed_gotos,
5909         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
5910         rest_of_handle_reorder_blocks, pass_reorder_blocks,
5911         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
5912         pass_partition_blocks): New.
5913         * bt-load.c (gate_handle_branch_target_load_optimize,
5914         rest_of_handle_branch_target_load_optimize,
5915         pass_branch_target_load_optimize): New.
5916         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
5917         pass_jump2): New.
5918         * cfglayout.c (pass_insn_locators_initialize): New.
5919         * cfgrtl.c (pass_free_cfg): New.
5920         * combine.c (gate_handle_combine, rest_of_handle_combine,
5921         pass_combine): New.
5922         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
5923         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
5924         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
5925         * except.c (pass_set_nothrow_function_flags,
5926         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
5927         pass_rtl_eh): New.
5928         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
5929         rest_of_handle_shorten_branches, pass_shorten_branches,
5930         rest_of_clean_state, pass_clean_state): New.
5931         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
5932         rest_of_handle_remove_death_notes, pass_remove_death_notes,
5933         rest_of_handle_life, pass_life, rest_of_handle_flow2,
5934         pass_flow2): New.
5935         * function.c (pass_instantiate_virtual_regs, pass_init_function,
5936         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
5937         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
5938         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
5939         pass_gcse): New.
5940         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
5941         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
5942         pass_rtl_ifcvt, gate_handle_if_after_combine,
5943         rest_of_handle_if_after_combine, pass_if_after_combine,
5944         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
5945         pass_if_after_reload): New.
5946         * integrate.c (pass_initial_value_sets): New.
5947         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
5948         pass_purge_lineno_notes): New.
5949         * mode-switching.c (rest_of_handle_mode_switching,
5950         pass_mode_switching): New.
5951         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
5952         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
5953         pass_loop2): New.
5954         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
5955         pass_loop_optimize): New.
5956         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
5957         pass_sms): New.
5958         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
5959         pass_gcse2): New.
5960         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
5961         pass_postreload_cse): New.
5962         * profile.c (gate_handle_profiling, pass_profiling,
5963         rest_of_handle_branch_prob, pass_branch_prob): New.
5964         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
5965         pass_split_before_regstack, gate_handle_split_before_regstack,
5966         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
5967         rest_of_handle_split_all_insns, pass_split_all_insns): New.
5968         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
5969         pass_stack_regs): New.
5970         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
5971         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
5972         pass_stack_adjustments): New.
5973         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
5974         pass_regrename): New.
5975         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
5976         pass_delay_slots, gate_handle_machine_reorg,
5977         rest_of_handle_machine_reorg, pass_machine_reorg): New.
5978         * rtl.h (extern void purge_line_number_notes): New.
5979         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
5980         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
5981         pass_sched2): New.
5982         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
5983         pass_tracer): New.
5984         * value-prof.c (gate_handle_value_profile_transformations,
5985         rest_of_handle_value_profile_transformations,
5986         pass_value_profile_transformations): New.
5987         * var-tracking.c (gate_handle_var_tracking,
5988         pass_variable_tracking): New.
5989         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
5990
5991         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
5992         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
5993         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
5994         rest_of_handle_old_regalloc, rest_of_handle_regrename,
5995         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
5996         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
5997         rest_of_handle_gcse2, rest_of_handle_regmove,
5998         rest_of_handle_tracer, rest_of_handle_if_conversion,
5999         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
6000         rest_of_handle_web, rest_of_handle_branch_prob,
6001         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
6002         rest_of_handle_jump_bypass, rest_of_handle_combine,
6003         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
6004         rest_of_handle_gcse, rest_of_handle_loop_optimize,
6005         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
6006         rest_of_handle_mode_switching, rest_of_handle_jump,
6007         rest_of_handle_eh, rest_of_handle_stack_adjustments,
6008         rest_of_handle_flow2, rest_of_handle_jump2,
6009         rest_of_handle_peephole2, rest_of_handle_postreload,
6010         rest_of_handle_shorten_branches, rest_of_clean_state,
6011         rest_of_compilation): Remove.
6012
6013         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
6014         * passes.c (dump_flags, in_gimple_form, all_passes,
6015         all_ipa_passes, all_lowering_passes, register_one_dump_file,
6016         register_dump_files, next_pass_1, last_verified, execute_todo,
6017         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
6018         from tree-optimize.c.
6019         (init_optimization_passes): Moved from tree-optimize.c,
6020         adding the RTL optimizations.
6021         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
6022         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
6023         all_ipa_passes, all_lowering_passes, register_one_dump_file,
6024         register_dump_files, next_pass_1, last_verified, execute_todo,
6025         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
6026         init_tree_optimization_passes, ipa_passes): Delete.
6027         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
6028         the RTL dumps.
6029         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
6030         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
6031         from tree.h.
6032         (ipa_passes): Remove.
6033         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
6034         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
6035         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
6036         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
6037         (dump_info_p, dump_flag): Moved to tree-dump.h.
6038
6039         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
6040         cgraph.c, opts.c.
6041         * passes.c (finish_optimization_passes): Use dump_begin
6042         and dump_end, TDI_end.
6043         (gate_rest_of_compilation): New.
6044         (pass_rest_of_compilation): Use it.
6045         (gate_postreload, pass_postreload): New.
6046         * toplev.c (general_init): Rename init_tree_optimization_passes.
6047         * toplev.h (init_tree_optimization_passes): Rename to
6048         init_optimizations_passes.
6049         * tree-dump.c (dump_flag): Make static.
6050         (dump_files): Remove RTL dumps.
6051         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
6052         pass_cleanup_cfg, pass_free_cfg_annotations,
6053         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
6054         pass_init_datastructures, pass_fixup_cfg): Make non-static.
6055         * tree-pretty-print.c: Include tree-pass.h.
6056         * cgraph.c: Include tree-dump.h.
6057
6058 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
6059
6060         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
6061         Only fall back to saying it points to readonly memory if
6062         we can't do better.
6063
6064 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
6065
6066         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
6067         * config/m32r/m32r.c (m32r_compute_frame_size,
6068         m32r_expand_prologue): Take current_function_profile into
6069         account whenever we reference
6070         current_function_uses_pic_offset_table.
6071         (m32r_finalize_pic): Remove.
6072         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
6073
6074 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
6075
6076         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
6077         instead of $<.  Don't remove ./as if it already exists.
6078
6079 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6080
6081         PR target/21723
6082         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
6083         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
6084         for complex modes when generating code for PA 1.0.
6085         (VALID_FP_MODE_P): New macro.
6086         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
6087         sets for all general and floating point modes.  Align wide floating
6088         point modes to even register boundaries to comply with architectural
6089         requirements.
6090         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
6091         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
6092         (VALID_FP_MODE_P): New macro.
6093         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
6094         sets for all general and floating point modes.  Align wide floating
6095         point modes to even register boundaries to comply with architectural
6096         requirements.
6097
6098 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6099
6100         * tree-dump.c (dump_files): Initialize dump number for .cgraph
6101         to 0.
6102
6103 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6104
6105         * tree-ssa-structalias.c: Don't include expr.h.
6106
6107 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6108
6109         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
6110         comments.
6111
6112 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
6113
6114         Fix PR tree-optimization/22279
6115
6116         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
6117         correct operator.
6118
6119 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
6120
6121         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
6122
6123 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
6124
6125         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
6126         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
6127         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
6128         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
6129         config/stormy16/stormy16.c, config/v850/v850.c,
6130         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
6131         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
6132         Avoid "." or "\n" at end of diagnostics and capital letters at
6133         start of diagnostics.
6134         * combine.c, cse.c: Don't translate dump file output.
6135         * toplev.c (print_version): Only translate output if going to
6136         stderr.
6137
6138 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
6139
6140         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
6141         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
6142         typos.
6143
6144 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6145
6146         * pa.c (fix_range): Fix typo in comment.
6147
6148 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
6149
6150         * tree-vrp.c (extract_range_from_assert): Replace
6151         fold (build (...)) with fold_build2.
6152
6153 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6154
6155         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
6156         gcc_gfc_char_table, init_dynamic_gfc_info): New.
6157         (format_types_orig, handle_format_attribute): Add support for
6158         format "gcc_gfc".
6159
6160 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6161
6162         * varasm.c (assemble_variable): Fix format specifier thinko.
6163
6164 2005-07-03  Ira Rosen  <irar@il.ibm.com>
6165
6166         PR tree-optimization/22029 (and 22135)
6167         * tree-pretty-print.c (dump_generic_node): Check that the node is not
6168         a phi node before calling dump_vops.
6169
6170 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6171
6172         * tree-dump.h (dump_string_field): Declare.
6173         * tree-dump.c: Use it instead of dump_string.
6174         (dump_string_field): Make non-static.
6175
6176 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6177
6178         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
6179         up the minimal CFG stuff always when optimize > 0.  Call
6180         split_all_insns_noflow in PIC case if needed.
6181
6182 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6183             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
6184
6185         PR c++/18279
6186         * c-decl.c (c_write_global_declarations): Dump contents of
6187         external scope to.
6188         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
6189         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
6190         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
6191         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
6192         is enabled.
6193
6194 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
6195
6196         * c-common.h (GCC_DIAG_STYLE): Define.
6197         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
6198         version for format checking to 4.1.
6199         * c-format.c: Include toplev.h after c-common.h.
6200         (enum format_type): Add gcc_tdiag_format_type.
6201         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
6202         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
6203         (format_types_orig): Add gcc_tdiag.
6204         (init_dynamic_diag_info): Support gcc_tdiag formats.
6205         (handle_format_attribute): Likewise.
6206         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
6207         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
6208         version for format checking to 4.1.
6209         (warning0, warning, error, pedwarn, sorry): Use
6210         ATTRIBUTE_GCC_DIAG.
6211         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
6212         (finish_aliases_1): Do not use %qE.
6213         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
6214         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
6215         Correct format bugs.
6216         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
6217         parameter to unsigned HOST_WIDE_INT.
6218         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
6219
6220 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
6221
6222         PR middle-end/21742
6223         * expr.c (write_complex_part): Use adjust_address for MEM.
6224         (read_complex_part): Same.
6225
6226 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
6227
6228         Fix PR tree-optimization/22280
6229
6230         * tree-sra.c (generate_element_init): Remove useless loop.
6231
6232 2005-07-02  Richard Henderson  <rth@redhat.com>
6233
6234         * config/alpha/alpha.c (alpha_legitimize_address): Check for
6235         TLS_MODEL_NONE.
6236         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
6237
6238 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
6239
6240         PR middle-end/14490
6241         * fold-const.c (fold_binary): Handle the return value of
6242         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
6243         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
6244
6245 2005-07-02  Jeff Law  <law@redhat.com>
6246
6247         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
6248         a eliminate type conversion which feeds an equality comparison
6249         if the original type or either operand in the comparison is a
6250         function pointer.
6251
6252 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
6253
6254         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
6255         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
6256         texts.
6257         * config/avr/avr.c: Do not use '`' as left quote.
6258         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
6259         Remove "." from end of diagnostics.  Make diagnostics start with
6260         lowercase letter.
6261
6262 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
6263             Joseph S. Myers  <joseph@codesourcery.com>
6264
6265         * toplev.c (default_tree_printer): Handle setting location with
6266         '+' flag.
6267         * c-objc.common.c (c_tree_printer): Likewise.
6268         * c-format.c (gcc_diag_flag_specs): Add '+'.
6269         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
6270         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
6271         formats.
6272         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
6273         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
6274         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
6275         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
6276         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
6277         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
6278         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
6279         format arguments where %J is used without %D.
6280
6281 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
6282
6283         * gcc.c (LINK_SSP_SPEC): Define.
6284         (link_ssp_spec): New variable.
6285         (LINK_COMMAND_SPEC): Add %(link_ssp).
6286         (static_specs): Add link_ssp_spec.
6287         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
6288         * configure: Rebuilt.
6289         * config.in: Rebuilt.
6290
6291         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6292         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6293         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6294         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6295         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
6296         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
6297         -0x7008(2) instead of reading __stack_chk_guard variable.
6298         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
6299         number.
6300         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
6301         (stack_protect_set, stack_protect_test): Use *_tls* patterns
6302         if TARGET_THREAD_SSP_OFFSET is defined.
6303         (stack_tls_protect_set_si, stack_tls_protect_set_di,
6304         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
6305
6306         Revert:
6307         2005-06-27  Richard Henderson  <rth@redhat.com>
6308         * libgcc-std.ver (GCC_4.1.0): New.
6309         * libgcc.h (__stack_chk_guard): Declare.
6310         (__stack_chk_fail, __stack_chk_fail_local): Declare.
6311         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
6312         * mklibgcc.in (lib2funcs): Add them.
6313
6314 2005-07-01  Richard Henderson  <rth@redhat.com>
6315
6316         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
6317         void * before struct sigcontext *.
6318         (x86_fallback_frame_state): Likewise.
6319
6320 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
6321
6322         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
6323
6324 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
6325
6326         PR tree-opt/22269
6327         * tree-ssa-reassoc.c (should_transpose): Fix which operand
6328         we check for SSA_NAME for.
6329
6330 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
6331
6332         Fix PR tree-optimization/22071
6333
6334         * tree-ssa-structalias.c (offset_overlaps_with_access): New
6335         function.
6336         (get_constraint_for_component_ref): Use it.
6337
6338 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
6339
6340         PR other/22264
6341         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
6342         print out the last new line.
6343
6344 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
6345
6346         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
6347         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
6348         * config/cris/cris.c (cris_conditional_register_usage): Adjust
6349         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
6350         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
6351         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
6352         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
6353         (enum reg_class): New member CC0_REGS.
6354         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
6355         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
6356         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
6357         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
6358         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6359         Adjust for register now described.
6360
6361 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
6362
6363         PR target/22262
6364         * config/i386/i386.md (stack_protect_test_si,
6365         stack_protect_test_di): Add earlyclobber for scratch 3.
6366         * config/rs6000/rs6000.md (stack_protect_testsi,
6367         stack_protect_testdi): Add earlyclobber for scratch 3,
6368         remove earlyclobber from scratch 4.
6369
6370 Older entries for 2005 can be found in ChangeLog-2005.